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Antenna (biology)

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antennal sensory inputs, a second group of moths had their antennae amputated and then re-attached, before being tested in the same stability study. These moths showed slightly decreased performance from intact moths, indicating there are possibly other sensory inputs used in flight stabilization. Re-amputation of the antennae caused a drastic decrease in flight stability to match that of the first amputated group.
221: 38: 237: 451: 286: 459: 253: 728: 584:, often a raised portion of the insect's head capsule. The socket is closed off by the membrane into which the base of the scape is set. However, the antenna does not hang free on the membrane, but pivots on a rigidly sprung projection from the rim of the torulus. That projection on which the antenna pivots is called the 831:
through the Johnston's organ that can then be used for corrective behavior. A series of low-light, flight stability studies in which moths with flagellae amputated near the pedicel showed significantly decreased flight stability over those with intact antennae. To determine whether there may be other
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The subdivisions of crustacean antennae have many names, including flagellomeres (a shared term with insects), annuli, articles, and segments. The terminal ends of crustacean antennae have two major categorizations: segmented and flagellate. An antenna is considered segmented if each of the annuli is
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Because the funicle is without intrinsic muscles, it generally must move as a unit, in spite of being articulated. However, some funicles are complex and very mobile. For example, the Scarabaeidae have lamellate antennae that can be folded tightly for safety or spread openly for detecting odours or
802:, antennae have an important function in signaling courtship. Specifically, antennae are required for males to answer the female mating call. Although females do not require antennae for mating, a mating that resulted from a female without antennae was abnormal. 813:
butterflies also rely on antenna sensitivity to volatile compounds to identify host plants. It was found that females are actually more responsive with their antenna sensing, most likely because they are responsible for oviposition on the correct plant.
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end of the scape and its movements in turn can be controlled by muscular connections between the scape and pedicel. The number of flagellomeres can vary greatly between insect species, and often is of diagnostic importance.
674:, and one common adaptation is the ability to fold the antenna in the middle, at the joint between the pedicel and the flagellum. This gives an effect like a "knee bend", and such an antenna is said to be 510:
mating practices. The erection of these fibrillae is considered to be the first stage in reproduction. These fibrillae serve different functions across the sexes. As antennal fibrillae are used by female
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Pass, Guenther. The Anatomy and Ultrastructure of the Antennal Circulatory Organs in the Cockchafer Beetle Melolontha melolontha L. (Coleoptera, Scarabaeidae) Zoomorphology 01/1980; 96(1):77-89.
809:, antennae serve to gather information about a host plant's taste and odor. After the desired taste and odor has been identified, the female moth will deposit her eggs onto the plant. 185:
separate from those around it and has individual muscle attachments. Flagellate antennae, on the other hand, have muscle attachments only around the base, acting as a hinge for the
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and Hymenoptera. They are important for insects like ants that follow scent trails, for bees and wasps that need to "sniff" the flowers that they visit, and for beetles such as
632:. The annuli are not true flagellomeres, and in a given insect species the number of annuli generally is not as consistent as the number of flagellomeres in most species. 1457: 698:. The insect manages such actions by changes in blood pressure, by which it exploits elasticity in walls and membranes in the funicles, which are in effect erectile. 588:. The whole structure enables the insect to move the antenna as a whole by applying internal muscles connected to the scape. The pedicel is flexibly connected to the 1014:
Luque, J.; Feldmann, R. M.; Vernygora, O.; Schweitzer, C. E.; Cameron, C. B.; Kerr, K. A.; Vega, F. J.; Duque, A.; Strange, M.; Palmer, A. R.; Jaramillo, C. (2019).
482:). Paired, mobile, and segmented, they are located between the eyes on the forehead. Embryologically, they represent the appendages of the second head segment. 470:
Some claim insects evolved from prehistoric crustaceans, and they have secondary antennae like crustaceans, but not primary antennae. Antennae are the primary
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orientation during migration. Antennal clocks exist in monarchs, and they are likely to provide the primary timing mechanism for sun compass orientation.
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biramous, but many species later evolved uniramous pairs. The second antennae may be significantly reduced (e.g. remipedes) or apparently absent (e.g.
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Sane, Sanjay P.; Dieudonné, Alexandre; Willis, Mark A.; Daniel, Thomas L. (2007-02-09). "Antennal mechanosensors mediate flight control in moths".
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Ellis, Peggy; Brimacombe, Linda (1980). "The mating behaviour of the egyptian cotton leafworm moth, Spodoptera littoralis (Boisd.)".
381: 82:, the exact nature of what they sense and how they sense it is not the same in all groups. Functions may variously include sensing 1432:"Host plant suitability and a test of the feeding specialization hypothesis using Papilio cresphontes (Lepidoptera: Papilionidae)" 1178: 94:. Antennae are sometimes modified for other purposes, such as mating, brooding, swimming, and even anchoring the arthropod to a 416: 360: 204:, a highly modified crustacean, use their antennae to attach to rocks and other surfaces. The second antennae in the burrowing 78:
of the arthropod head. They vary widely in form but are always made of one or more jointed segments. While they are typically
663:. However, traditionally in working on wasps the funicle is taken to comprise the segments between the club and the pedicel. 423: 367: 102:
that use their antennae for swimming. Antennae can also locate other group members if the insect lives in a group, like the
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Cotton, Trevor J.; Braddy, Simon J. (2004). "The phylogeny of arachnomorph arthropods and the origin of the Chelicerata".
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All insects have antennae, however they may be greatly reduced in the larval forms. Amongst the non-insect classes of the
98:. Larval arthropods have antennae that differ from those of the adult. Many crustaceans, for example, have free-swimming 780:
that identify the odour. The sum of the electrical potentials of the antennae to a given odour can be measured using an
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Thomas A. Keil (1999). "Morphology and development of the peripheral olfactory organs". In Hansson, Bill S. (ed.).
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that need to fold their antennae away when they self-protectively fold up all their limbs in defensive attitudes.
659:; traditionally in describing beetle anatomy, the term "funicle" refers to the segments between the club and the 1016:"Exceptional preservation of mid-Cretaceous marine arthropods and the evolution of novel forms via heterochrony" 31: 138: 1488: 75: 601: 1451: 799: 277: 192:
There are several notable non-sensory uses of antennae in crustaceans. Many crustaceans have a mobile
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Justus, K. A.; Mitchell, B. K. (November 1996). "Oviposition site selection by the diamondback moth,
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have setae that interlock to form a tube or "snorkel" which funnels filtered water over the gills.
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bear two pairs of antennae. The pair attached to the first segment of the head are called
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do however have intrinsic muscles throughout the flagellum. Such groups include the
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MI), Scriber, J.M. (Michigan State University, East Lansing; R.V., Dowell (1991).
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that permits movement, though the flagellum of "true" insects does not have any
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Earth and Environmental Science Transactions of the Royal Society of Edinburgh
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Functional Morphology and Diversity: Antennules and Antennae in the Crustacea
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sensors of insects and are accordingly well-equipped with a wide variety of
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Merlin, Christine; Gegear, Robert J.; Reppert, Steven M. (September 2009).
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Olfactory receptors (scales and holes) on the antenna of the butterfly
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Quite commonly the funicle beyond the pedicel is quite complex in
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Cutaway diagram of a barnacle, with antennae highlighted by arrow
765: 749: 106:. The common ancestor of all arthropods likely had one pair of 576:
The scape is mounted in a socket in a more or less ring-shaped
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The three basic segments of the typical insect antenna are the
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This article is about arthropod anatomy. For other uses, see
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that possess these receptors signal this binding by sending
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Boxshall, G.A. (2004). "The evolution of arthropod limbs".
915:(1st ed.). The Systematics Association. p. 117. 973:
Biological Reviews of the Cambridge Philosophical Society
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on the antennae bind to free-floating molecules, such as
189:—a flexible string of annuli with no muscle attachment. 776:. From there, neurons in the antennal lobes connect to 701:
In the groups with more uniform antennae (for example:
157:. This pair is generally uniramous, but is biramous in 86:, air motion, heat, vibration (sound), and especially 1202:
The Insects: An Outline of Entomology, Fourth Edition
854:(4th ed.). Cambridge University Press. pp.  791:, antennae are necessary for proper time-compensated 242:
The large flattened plates in front of the eyes of a
165:. The pair attached to the second segment are called 823:), antennae aid in flight stabilization. Similar to 715:(this may be especially well-developed in various 59:), sometimes referred to as "feelers", are paired 911:Fortey, Richard A.; Thomas, Richard H . (1998). 569:. The pedicel (the second segment) contains the 454:Terms used to describe shapes of insect antennae 27:Paired appendages used for sensing in arthropods 596:True flagellomeres are connected by membranous 74:Antennae are connected to the first one or two 913:Arthropod Relationships: Phylogenetic Analysis 1098:Gullan, Penny J.; Cranston, Peter S. (2005). 892:. Oxford University Press. pp. 199–236. 504:Antennal fibrillae play an important role in 8: 1456:: CS1 maint: multiple names: authors list ( 565:, which often comprises many units known as 898:10.1093/acprof:osobl/9780195398038.003.0007 881: 879: 877: 875: 827:in Dipteran insects, the antennae transmit 1232:Henderson's Dictionary of Biological Terms 1168: 1166: 1164: 1492: 1324: 1047: 678:. Geniculate antennae are common in the 573:which is a collection of sensory cells. 301: 840: 388: 332: 1449: 230:, showing the enlarged second antennae 1101:The Insects: an Outline of Entomology 519:utilize them to locate female mates. 52: 7: 1133:Chapman, Reginald Frederick (1998). 534:of antenna surface detail of a wasp 1136:The Insects: Structure and Function 886:Boxshall, Geoff; Jaume, D. (2013). 851:The Insects: Structure and Function 1436:The Great Lakes Entomologist (USA) 1387:(L.) (Lepidoptera: Plutellidae)". 1269:Georg-August-Universität Göttingen 25: 515:to locate hosts to feed on, male 446:Insect morphology § Antennae 246:are the modified second antennae. 429: 422: 415: 408: 401: 394: 380: 373: 366: 359: 352: 345: 338: 303:Examples of crustacean antennae 284: 269: 251: 235: 219: 1229:Lawrence, Eleanor, ed. (2005). 295:with antennae used for swimming 817:In the crepuscular hawk moth ( 264:, showing its reduced antennae 1: 1362:10.1016/s0003-3472(80)80112-6 1265:"Electroantennography (EAG)" 1104:(3rd ed.). Oxford, UK: 705:), all segments are called 670:such as beetles, moths and 1562: 1389:Journal of Insect Behavior 1141:Cambridge University Press 1139:(4th ed.). New York: 443: 173:. The second antennae are 29: 985:10.1017/s1464793103006274 950:10.1017/S0263593300000596 466:from C. T. Bingham (1905) 291:The nauplius larvae of a 561:(stem), and finally the 1503:10.1126/science.1133598 1317:10.1126/science.1176221 800:African cotton leafworm 1040:10.1126/sciadv.aav3875 848:Chapman, R.F. (1998). 738: 542: 467: 462:Antennal shape in the 455: 143: 45: 737:, electron micrograph 730: 647:flagellomeres form a 530: 461: 453: 444:Further information: 278:Caribbean hermit crab 141: 40: 1106:Blackwell Publishing 1073:What is a butterfly? 1071:Darby, Gene (1958). 604:muscles. Some other 41:Large antennae on a 1485:2007Sci...315..863S 1401:1996JIBeh...9..887J 1385:Plutella xylostella 1309:2009Sci...325.1700M 1303:(5948): 1700–1704. 1032:2019SciA....5.3875L 742:Olfactory receptors 532:Electron micrograph 304: 1409:10.1007/BF02208976 1218:10.1007/BF00310078 782:electroantennogram 739: 651:shape, called the 580:region called the 543: 497:have antenna, but 468: 456: 390:Secondary antennae 302: 276:Antennules of the 167:secondary antennae 159:crabs and lobsters 144: 46: 1546:Arthropod anatomy 1479:(5813): 863–866. 1250:978-0-13-127384-9 1237:Pearson Education 1235:(13th ed.). 1188:978-3-540-65034-8 1181:. pp. 5–48. 1154:978-0-521-57890-5 1119:978-1-4051-1113-3 922:978-94-011-4904-4 811:Giant swallowtail 789:monarch butterfly 762:action potentials 437: 436: 175:plesiomorphically 122:. Except for the 16:(Redirected from 1553: 1531: 1530: 1496: 1468: 1462: 1461: 1455: 1447: 1427: 1421: 1420: 1380: 1374: 1373: 1356:(4): 1239–1248. 1350:Animal Behaviour 1345: 1339: 1338: 1328: 1286: 1280: 1279: 1277: 1275: 1261: 1255: 1254: 1226: 1220: 1210: 1204: 1199: 1193: 1192: 1177:(1st ed.). 1175:Insect Olfaction 1170: 1159: 1158: 1130: 1124: 1123: 1095: 1089: 1088: 1068: 1062: 1061: 1051: 1020:Science Advances 1011: 1005: 1004: 968: 962: 961: 933: 927: 926: 908: 902: 901: 883: 870: 869: 845: 807:diamondback moth 641:chalcidoid wasps 571:Johnston's organ 538:Vespula vulgaris 433: 426: 419: 412: 405: 398: 384: 377: 370: 363: 356: 349: 342: 334:Primary antennae 305: 288: 273: 255: 239: 223: 151:primary antennae 54: 21: 1561: 1560: 1556: 1555: 1554: 1552: 1551: 1550: 1536: 1535: 1534: 1494:10.1.1.205.7318 1470: 1469: 1465: 1448: 1429: 1428: 1424: 1382: 1381: 1377: 1347: 1346: 1342: 1288: 1287: 1283: 1273: 1271: 1263: 1262: 1258: 1251: 1228: 1227: 1223: 1211: 1207: 1200: 1196: 1189: 1172: 1171: 1162: 1155: 1132: 1131: 1127: 1120: 1097: 1096: 1092: 1070: 1069: 1065: 1026:(4): eaav3875. 1013: 1012: 1008: 970: 969: 965: 935: 934: 930: 923: 910: 909: 905: 885: 884: 873: 866: 847: 846: 842: 838: 829:coriolis forces 778:mushroom bodies 725: 525: 448: 442: 391: 335: 300: 299: 298: 297: 296: 289: 281: 280: 274: 266: 265: 256: 248: 247: 244:slipper lobster 240: 232: 231: 224: 196:stage called a 136: 43:longhorn beetle 35: 28: 23: 22: 15: 12: 11: 5: 1559: 1557: 1549: 1548: 1538: 1537: 1533: 1532: 1463: 1422: 1395:(6): 887–898. 1375: 1340: 1281: 1256: 1249: 1221: 1205: 1194: 1187: 1160: 1153: 1125: 1118: 1090: 1063: 1006: 979:(2): 253–300. 963: 944:(3): 169–193. 928: 921: 903: 871: 865:978-0521570480 864: 839: 837: 834: 724: 721: 524: 521: 441: 438: 435: 434: 427: 420: 413: 406: 399: 392: 389: 386: 385: 378: 371: 364: 357: 350: 343: 336: 333: 330: 329: 326: 323: 320: 317: 314: 311: 308: 290: 283: 282: 275: 268: 267: 261:Cancer pagurus 257: 250: 249: 241: 234: 233: 225: 218: 217: 216: 215: 214: 135: 132: 80:sensory organs 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 1558: 1547: 1544: 1543: 1541: 1528: 1524: 1520: 1516: 1512: 1508: 1504: 1500: 1495: 1490: 1486: 1482: 1478: 1474: 1467: 1464: 1459: 1453: 1445: 1441: 1437: 1433: 1426: 1423: 1418: 1414: 1410: 1406: 1402: 1398: 1394: 1390: 1386: 1379: 1376: 1371: 1367: 1363: 1359: 1355: 1351: 1344: 1341: 1336: 1332: 1327: 1322: 1318: 1314: 1310: 1306: 1302: 1298: 1297: 1292: 1285: 1282: 1270: 1266: 1260: 1257: 1252: 1246: 1242: 1238: 1234: 1233: 1225: 1222: 1219: 1215: 1209: 1206: 1203: 1198: 1195: 1190: 1184: 1180: 1176: 1169: 1167: 1165: 1161: 1156: 1150: 1146: 1142: 1138: 1137: 1129: 1126: 1121: 1115: 1111: 1107: 1103: 1102: 1094: 1091: 1086: 1082: 1079:. p. 8. 1078: 1077:Benefic Press 1074: 1067: 1064: 1059: 1055: 1050: 1045: 1041: 1037: 1033: 1029: 1025: 1021: 1017: 1010: 1007: 1002: 998: 994: 990: 986: 982: 978: 974: 967: 964: 959: 955: 951: 947: 943: 939: 932: 929: 924: 918: 914: 907: 904: 899: 895: 891: 890: 882: 880: 878: 876: 872: 867: 861: 857: 853: 852: 844: 841: 835: 833: 830: 826: 822: 821: 820:Manduca sexta 815: 812: 808: 803: 801: 796: 794: 793:solar compass 790: 785: 783: 779: 775: 771: 770:antennal lobe 767: 763: 759: 755: 751: 747: 743: 736: 735: 729: 722: 720: 718: 714: 713: 708: 704: 699: 697: 691: 689: 688:Curculionidae 685: 681: 677: 673: 669: 668:Endopterygota 664: 662: 658: 654: 650: 646: 642: 638: 633: 631: 627: 623: 619: 615: 611: 607: 603: 599: 594: 591: 587: 583: 579: 574: 572: 568: 567:flagellomeres 564: 560: 556: 552: 548: 541: 539: 533: 529: 522: 520: 518: 514: 509: 508: 507:Culex pipiens 502: 500: 496: 492: 488: 483: 481: 477: 473: 465: 460: 452: 447: 439: 432: 428: 425: 421: 418: 414: 411: 407: 404: 400: 397: 393: 387: 383: 379: 376: 372: 369: 365: 362: 358: 355: 351: 348: 344: 341: 337: 331: 327: 324: 321: 318: 315: 312: 309: 307: 306: 294: 287: 279: 272: 263: 262: 254: 245: 238: 229: 228:spiny lobster 222: 213: 211: 207: 203: 199: 195: 190: 188: 182: 180: 176: 172: 168: 164: 160: 156: 152: 148: 140: 133: 131: 129: 125: 121: 117: 113: 109: 105: 101: 97: 93: 89: 85: 81: 77: 72: 70: 66: 62: 58: 50: 44: 39: 33: 19: 1476: 1472: 1466: 1452:cite journal 1435: 1425: 1392: 1388: 1384: 1378: 1353: 1349: 1343: 1300: 1294: 1284: 1272:. 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Chicago: 764:down their 672:Hymenoptera 639:and in the 578:sclerotised 478:(singular: 464:Lepidoptera 328:Cirrepedia 147:Crustaceans 134:Crustaceans 118:and fossil 116:crustaceans 1239:. p.  1143:. p.  1108:. p.  836:References 754:pheromones 752:including 703:millipedes 696:pheromones 680:Coleoptera 676:geniculate 614:Collembola 606:Arthropoda 586:antennifer 559:pedicellus 517:C. pipiens 513:C. pipiens 491:Collembola 325:Remipedia 316:Amphipoda 210:Corystidae 169:or simply 155:antennules 120:trilobites 69:arthropods 61:appendages 1511:0036-8075 1489:CiteSeerX 1444:0090-0222 1274:March 27, 734:Aglais io 723:Functions 626:Blattodea 622:Thysanura 602:intrinsic 563:flagellum 523:Structure 480:sensillum 472:olfactory 322:Decapoda 319:Decapoda 310:Copepoda 258:The crab 206:Hippoidea 202:Barnacles 187:flagellum 179:barnacles 163:remipedes 128:proturans 108:uniramous 96:substrate 63:used for 18:Antennule 1540:Category 1519:17290001 1417:28455636 1370:53188823 1335:19779201 1179:Springer 1058:31032408 1001:25339728 993:15191225 958:54841296 825:halteres 635:In many 610:Symphyla 501:do not. 487:Hexapoda 476:sensilla 313:Isopoda 198:nauplius 171:antennae 112:biramous 76:segments 49:Antennae 1527:2429129 1481:Bibcode 1473:Science 1397:Bibcode 1326:2754321 1305:Bibcode 1296:Science 1085:1391997 1049:6482010 1028:Bibcode 805:In the 798:In the 787:In the 772:in the 768:to the 758:neurons 717:Diptera 657:funicle 637:beetles 618:Diplura 598:linkage 582:torulus 555:pedicel 499:Protura 495:Diplura 489:, both 440:Insects 65:sensing 57:antenna 32:Antenna 1525:  1517:  1509:  1491:  1442:  1415:  1368:  1333:  1323:  1247:  1185:  1151:  1116:  1083:  1056:  1046:  999:  991:  956:  919:  862:  756:. The 750:odours 748:, and 712:arista 645:apical 643:, the 630:annuli 590:distal 551:scapus 293:shrimp 194:larval 100:larvae 1523:S2CID 1413:S2CID 1366:S2CID 997:S2CID 954:S2CID 774:brain 766:axons 661:scape 653:clava 547:scape 92:taste 88:smell 84:touch 1515:PMID 1507:ISSN 1458:link 1440:ISSN 1331:PMID 1276:2010 1245:ISBN 1183:ISBN 1149:ISBN 1114:ISBN 1081:OCLC 1054:PMID 989:PMID 917:ISBN 860:ISBN 856:8–11 686:and 649:club 624:and 616:and 493:and 208:and 161:and 126:and 1499:doi 1477:315 1405:doi 1358:doi 1321:PMC 1313:doi 1301:325 1214:doi 1044:PMC 1036:doi 981:doi 946:doi 894:doi 719:). 557:or 549:or 181:). 153:or 104:ant 90:or 67:in 53:sg. 1542:: 1521:. 1513:. 1505:. 1497:. 1487:. 1475:. 1454:}} 1450:{{ 1438:. 1434:. 1411:. 1403:. 1391:. 1364:. 1354:28 1352:. 1329:. 1319:. 1311:. 1299:. 1293:. 1267:. 1243:. 1241:51 1163:^ 1147:. 1112:. 1110:38 1052:. 1042:. 1034:. 1022:. 1018:. 995:. 987:. 977:79 975:. 952:. 942:94 940:. 874:^ 858:. 784:. 612:, 226:A 71:. 55:: 1529:. 1501:: 1483:: 1460:) 1446:. 1419:. 1407:: 1399:: 1393:9 1372:. 1360:: 1337:. 1315:: 1307:: 1278:. 1253:. 1216:: 1191:. 1157:. 1145:8 1122:. 1087:. 1060:. 1038:: 1030:: 1024:5 1003:. 983:: 960:. 948:: 925:. 900:. 896:: 868:. 540:) 536:( 51:( 34:. 20:)

Index

Antennule
Antenna

longhorn beetle
appendages
sensing
arthropods
segments
sensory organs
touch
smell
taste
substrate
larvae
ant
uniramous
biramous
crustaceans
trilobites
chelicerates
proturans

Crustaceans
crabs and lobsters
remipedes
plesiomorphically
barnacles
flagellum
larval
nauplius

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