Knowledge (XXG)

Exorista mella

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flies have been found to mate shortly after emerging from their host, and the success rate of mating increases when the time before the formation of pairs after emergence is shorter. Both sexes have been observed to show a decline in their ability to produce viable offspring after a certain amount of
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The earliest recorded viable eggs in a study were from females 48 to 72 hours old, which had immediately mated after emerging. Even without having mated, newly emerged females have also been documented to be able to oviposit infertile and consequently unviable eggs. The gestation period lasts for an
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flies as biocontrol agents in agriculture for certain pests. Where parasitism of the host rarely lets the pest that is chosen as a host live. The study itself looked at the ability of flies to do so either by depositing their eggs into a host described as macro egg laying or on the plant which they
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flies are selective when deciding on what host to parasitize. Once a host is selected a female may oviposit her eggs on the surface of the host. Larvae then burrow into the host for the remainder of their development usually killing the host once they emerge during either prepupae or pupae stage of
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One experiment observed more experienced flies learning and behaving in a different way than inexperienced flies. Where more experienced flies typically oviposited more eggs onto a host, experienced females were also documented to be able to recognize suitable hosts faster than inexperienced hosts
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flies spend time browsing hosts by moving around habitats where they are likely to find hosts, such as in low shrubs and herbs that their hosts feed on. When choosing a host, the flies usually drum their feet on its body to determine if it is an adequate and living host. One experiment found that
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typically oviposit on the cuticle of their host, but have also been documented to oviposit on the head capsule, setae, prolegs, and on the abdomen of hosts. Though they prefer to oviposit on live hosts, females were also observed to oviposit on the surface of dead hosts. Larger females were also
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and burrowed alone into larger hosts were larger than those that emerged from a smaller host or one that was superparasitized. A study shows that the sex of the emerging flies does not correspond to the host size or superparasitism of the host, though the two factors influence the size of adult
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time after emergence. For males, this was on average 14 days, while for females it was after 16 days of emergence. Males have been observed to have the ability to fertilize the eggs of more than one female. Thus, it is the usual case that pairs mate shortly after emerging from the host.
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Physical characteristics include having a stigmal plate that is not elevated like their protuberance, as well as a sternopleuron pertaining to the thorax on the lateral side with three bristles. Likewise, behavioral characteristics include their
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lasts for 10 days. Larvae emerge from their eggs on the surface of their hosts, after which they burrow into the host for the remainder of their development. Delays in development occur when the host molts. If the host does not
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flies respond more strongly to certain characteristics of a host than others, one such characteristic being the movement of the host. The more the host moved, the faster the flies were observed to approach the host. Female
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development. Experiments in these flies have suggested that they can learn from experience that influence certain behaviors as suggest them as candidates for biocontrol agents to control certain pests.
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flies, and the larger adult flies deposit a larger number of eggs than the smaller ones. Additionally, host larvae activity has a larger impact on parasite oviposition than host larvae size.
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flies have been found to preferentially oviposit on larger hosts. They have also been found to prefer host caterpillars that are in their late instar stage of development.
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has also been noted by one study to be one of the core three parasitoids to account for the mortality of a variety of caterpillars. Some of these hosts, such as the
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was one of a couple of flies in the study that could deposit on both the plant and the host, with parasitism having a greater percentage to occur within a host.
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fly has been recorded to oviposit on a single host for one study was 65 eggs. Typically, the oviposition period lasts for about 24.8 days.
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flies varies. Males typically have an average lifespan of about 29.5 days, while females survive an average of about 38.0 to 40.6 days.
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Singer, M. S.; Stireman, J. O. (2003). "Does anti-parasitoid defense explain host-plant selection by a polyphagous caterpillar?".
1256: 223: 179: 390:, larvae are able to develop within an average of 6.4 days, as opposed to an average of 12.9 days if the host does molt. 253: 242: 212: 1269: 47: 818:
Butler, G. D.; Bryan, D. E.; Jackson, C. G. (1968-02-01). "Development of the Salt-Marsh Caterpillar Parasite,
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feeds on a variety of hosts. It has been recorded to parasitize the following families of caterpillars: 
299:. Within the U.S in the state of Arizona they have been found in both mountainous and agricultural regions. 401:
larvae are able to emerge from any stage (i.e. prepupae and pupae) of their host during their development.
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Parasitization of the salt-marsh caterpillar, Estigmene acraea. Drury, in the Salt River Valley, Arizona
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is directly correlated with the size of the host from which the fly emerged. Thus, flies that were
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Stireman, John O. (2002). "Host location and selection cues in a generalist tachinid parasitoid".
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Identification of Parasites of the Douglas-fir Tussock Moth, Based on Adults, Cocoons, and Puparia
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typically spend most of their life growing in a host. Unlike other fly species born in a host, in
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have been found in the mountainous regions as well as agricultural regions of southern Arizona.
694:"The North American genera of calyptrate Muscidae. Paper IV. Sarcophagidae and Muscidae s. str" 1277: 1142: 1085: 964: 916: 839: 779: 443:
onto the surface of their host of choice to lay their hard-shelled eggs. On average, a female
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List of the specimens of dipterous insects in the collection of the British Museum. Part IV
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Stireman, John O. (2002-09-01). "Learning in the Generalist Tachinid Parasitoid
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through a particular diet of plants, as well as surviving through adulthood.
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moth, have been observed to be able to fight back against parasitism by
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at Controlled Constant and Variable Temperatures in the Laboratory".
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observed to oviposit a greater number of eggs than smaller females.
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is commonly found in the United States and in Canada. In Arizona,
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fly can oviposit about 150 eggs during her lifespan. The most an
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LeBaron, W. (1871). "Insects injurious to the apple tree".
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average of at least 2 days upon emergence from the host.
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Certain biological relationships between the parasite
1200: 698:Transactions of the American Entomological Society 592:. London: British Museum. pp.  + 689–1172 + 542:and tended to oviposit on live hosts more often. 545:Another experiment looked into the potential of 1111:Stireman, John O.; Singer, Michael S. (2002). 901:Annals of the Entomological Society of America 675:State Ent. RPT. Noxious Beneficial Insects St 581: 579: 8: 891:Adam, David S.; Watson, T. F. (1971-01-15). 1316:Taxa named by Francis Walker (entomologist) 550:feed off of described as micro egg laying. 1188: 31: 1136: 650: 1180:. Global Science Publishing Group, USA. 1062:Entomologia Experimentalis et Applicata 575: 381:On average, the larval development of 1168:Shendage, Nilam; Sathe, T.V. (2016). 1055: 1053: 1051: 1049: 1047: 1023: 1021: 988: 986: 934: 932: 930: 886: 884: 882: 880: 878: 876: 874: 872: 870: 868: 729:Smithsonian Miscellaneous Collections 611:Forbush, E.H.; Fernald, C.H. (1896). 7: 1032:(MS thesis). University of Arizona. 1006:(MS thesis). University of Arizona. 813: 811: 809: 807: 805: 803: 801: 753: 751: 749: 291:. They are typically found in the 25: 1138:10.1046/j.1365-2311.2002.00450.x 1082:10.1046/j.1570-7458.2002.00958.x 961:10.1034/j.1600-0706.2003.11720.x 46: 762:Walker (Diptera: Tachinidae)". 639:Psyche: A Journal of Entomology 824:Journal of Economic Entomology 1: 857:Torgersen, Torolf R. (1997). 336:tendencies. As parasitoids, 993:Adam, David Stuart (1968). 1337: 764:Journal of Insect Behavior 1306:Insects described in 1849 723:Townsend, C.H.T. (1908). 692:Townsend, C.H.T. (1892). 630:Townsend, C.H.T. (1891). 194: 187: 168: 161: 43:Scientific classification 41: 34: 1321:Diptera of North America 1028:Taylor, Edgar A (1952). 357:Distribution and habitat 776:10.1023/A:1020752024329 18:Exorista mella (Walker) 409:The lifespan of adult 1117:Ecological Entomology 913:10.1093/aesa/64.1.146 198:Achaetoneura fernaldi 836:10.1093/jee/61.1.161 504:Apantesis incorrupta 473:and generalist fly, 315:a variety of hosts. 209:Tachina clisiocampae 1129:2002EcoEn..27..588S 1074:2002EEApp.103...23S 953:2003Oikos.100..554S 632:"Two new tachinids" 586:Walker, F. (1849). 439:flies extend their 204:& Fernald, 1896 893:"Adult Biology of 652:10.1155/1891/34809 283:within the family 1293: 1292: 1278:Open Tree of Life 1194:Taxon identifiers 615:Porthetria dispar 311:generalist which 263: 262: 257: 250:Tachina orgyiarum 246: 235: 227: 216: 205: 16:(Redirected from 1328: 1286: 1285: 1273: 1272: 1260: 1259: 1247: 1246: 1234: 1233: 1221: 1220: 1219: 1189: 1182: 1181: 1165: 1159: 1158: 1140: 1108: 1102: 1101: 1057: 1042: 1041: 1025: 1016: 1015: 990: 981: 980: 936: 925: 924: 888: 863: 862: 854: 848: 847: 815: 796: 795: 755: 744: 743: 741: 739: 720: 714: 713: 711: 709: 689: 683: 682: 670: 664: 663: 661: 659: 654: 636: 627: 621: 620: 613:The gypsy moth. 608: 602: 601: 599: 597: 583: 252: 241: 233: 222: 211: 200: 174: 51: 50: 32: 21: 1336: 1335: 1331: 1330: 1329: 1327: 1326: 1325: 1296: 1295: 1294: 1289: 1281: 1276: 1268: 1263: 1255: 1250: 1242: 1237: 1229: 1224: 1215: 1214: 1209: 1196: 1186: 1185: 1167: 1166: 1162: 1110: 1109: 1105: 1059: 1058: 1045: 1027: 1026: 1019: 1002:Estigmene acrea 1000:, and its host 992: 991: 984: 938: 937: 928: 890: 889: 866: 856: 855: 851: 817: 816: 799: 757: 756: 747: 737: 735: 722: 721: 717: 707: 705: 691: 690: 686: 672: 671: 667: 657: 655: 634: 629: 628: 624: 610: 609: 605: 595: 593: 585: 584: 577: 572: 560: 539: 517: 467: 462: 433: 424: 419: 407: 396: 379: 374: 359: 329: 239:Tachina orgyiae 231:Tachina orgyiae 183: 176: 170: 157: 45: 28: 23: 22: 15: 12: 11: 5: 1334: 1332: 1324: 1323: 1318: 1313: 1308: 1298: 1297: 1291: 1290: 1288: 1287: 1274: 1261: 1248: 1235: 1222: 1206: 1204: 1202:Exorista mella 1198: 1197: 1192: 1184: 1183: 1160: 1123:(5): 588–600. 1103: 1043: 1017: 998:Exorista mella 982: 947:(3): 554–562. 926: 907:(1): 146–149. 895:Exorista mella 864: 849: 830:(1): 161–162. 820:Exorista mella 797: 770:(5): 689–706. 760:Exorista mella 745: 715: 684: 665: 645:(181): 83–85. 622: 603: 574: 573: 571: 568: 559: 556: 538: 535: 516: 515:Host selection 513: 466: 463: 461: 458: 432: 429: 423: 422:Preoviposition 420: 418: 415: 406: 403: 395: 392: 378: 375: 373: 370: 358: 355: 328: 325: 267:Exorista mella 261: 260: 259: 258: 247: 236: 228: 217: 206: 192: 191: 185: 184: 177: 172:Exorista mella 166: 165: 159: 158: 151: 149: 145: 144: 137: 133: 132: 127: 123: 122: 117: 113: 112: 107: 103: 102: 97: 93: 92: 87: 83: 82: 77: 73: 72: 67: 63: 62: 57: 53: 52: 39: 38: 36:Exorista mella 27:Species of fly 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 1333: 1322: 1319: 1317: 1314: 1312: 1309: 1307: 1304: 1303: 1301: 1284: 1279: 1275: 1271: 1266: 1262: 1258: 1253: 1249: 1245: 1240: 1236: 1232: 1227: 1223: 1218: 1212: 1208: 1207: 1205: 1203: 1199: 1195: 1190: 1179: 1175: 1171: 1164: 1161: 1156: 1152: 1148: 1144: 1139: 1134: 1130: 1126: 1122: 1118: 1114: 1107: 1104: 1099: 1095: 1091: 1087: 1083: 1079: 1075: 1071: 1067: 1063: 1056: 1054: 1052: 1050: 1048: 1044: 1039: 1035: 1031: 1024: 1022: 1018: 1013: 1009: 1005: 1004: 1001: 997: 989: 987: 983: 978: 974: 970: 966: 962: 958: 954: 950: 946: 942: 935: 933: 931: 927: 922: 918: 914: 910: 906: 902: 898: 896: 887: 885: 883: 881: 879: 877: 875: 873: 871: 869: 865: 860: 853: 850: 845: 841: 837: 833: 829: 825: 821: 814: 812: 810: 808: 806: 804: 802: 798: 793: 789: 785: 781: 777: 773: 769: 765: 761: 754: 752: 750: 746: 734: 730: 726: 719: 716: 703: 699: 695: 688: 685: 680: 676: 669: 666: 653: 648: 644: 640: 633: 626: 623: 618: 614: 607: 604: 591: 590: 582: 580: 576: 569: 567: 564: 557: 555: 553: 548: 543: 536: 534: 532: 527: 522: 514: 512: 510: 506: 505: 500: 496: 495:Lasiocampidae 492: 488: 484: 480: 476: 472: 464: 459: 457: 454: 450: 446: 442: 438: 430: 428: 421: 417:Parental care 416: 414: 412: 404: 402: 400: 393: 391: 389: 384: 376: 371: 369: 367: 363: 356: 354: 351: 347: 343: 339: 335: 326: 324: 321: 316: 314: 310: 306: 302: 298: 294: 293:United States 290: 287:of the order 286: 282: 281: 277:of the genus 276: 273: 269: 268: 255: 251: 248: 244: 240: 237: 234:LeBaron, 1871 232: 229: 225: 221: 220:Tachina mella 218: 214: 210: 207: 203: 199: 196: 195: 193: 190: 186: 181: 175: 173: 167: 164: 163:Binomial name 160: 156: 155: 154:E. mella 150: 147: 146: 143: 142: 138: 135: 134: 131: 128: 125: 124: 121: 118: 115: 114: 111: 108: 105: 104: 101: 98: 95: 94: 91: 88: 85: 84: 81: 78: 75: 74: 71: 68: 65: 64: 61: 58: 55: 54: 49: 44: 40: 37: 33: 30: 19: 1201: 1177: 1173: 1163: 1120: 1116: 1106: 1068:(1): 23–34. 1065: 1061: 1038:10150/191407 1029: 1012:10150/318219 1003: 999: 995: 944: 940: 904: 900: 894: 858: 852: 827: 823: 819: 767: 763: 759: 736:. 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Index

Exorista mella (Walker)
Scientific classification
Edit this classification
Eukaryota
Animalia
Arthropoda
Insecta
Diptera
Tachinidae
Exoristinae
Exoristini
Exorista
Binomial name
Walker
Synonyms
Williston
Townsend
Walker
Townsend
Townsend
tachinid
fly
Ezorista
Tachinidae
Diptera
United States
Canada
parasitoid
polyphagous
parasitizes

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