Knowledge (XXG)

Sevenia boisduvali

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forewings. The dark spots near the fringe of the hindwings are more pronounced in females. The undersurface of the hindwings of both sexes are variegated grey and brown, and have an arc of seven dark spots encircled firstly by a greyish ring, and then an orange-brown ring. The undersurface of the forewing is orange brown with a row of four black spots near the tip. The female forewing also has two dark brown bands.
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Once the butterfly has emerged from the shell of its pupa, it hangs with its wings downward. The wings inflate, unfurl and dry into shape. Adult Boisduval's tree nymphs usually keep to semi-shaded areas provided by trees. They often sit head downwards on the stems or larger branches of trees, usually
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After shedding its skin, the pupa hardens and remains in a fairly rigid position. However the pupa can twist from side to side when disturbed. The pupae are variable in colour; being green, or creamy brown with small dark markings, or brownish and dark patterned. The pupa takes about ten days to
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The wingspan of Boisduval's tree nymph is 40–45 mm. The upper surface of the wings of the male are uniform dark brown, with small dark spots near the fringe of the hindwings. The female has an overall lighter brown colour on the upper surface, and orange-brown markings near the tips of the
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and at first only eat the upper layer of the leaves, working from the tip to the base, and leaving a pale green dead leaf behind. As they grow older, the larvae begin to eat the entire leaf, starting at the
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The full-grown larvae attach their rear ends to a leaf or branch with a small patch of silk and hang with their heads down. After about a day or so, they shed their skin to reveal a pupa.
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The female lays a group of eggs on the undersurface of a leaf of the larval food plant. The eggs are yellowish at first, but change to brown as the larvae develop within.
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with the wings held closed. The adults feed on fermented fruit and on tree sap, and the males are known to land on damp patches of ground to suck up moisture.
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Boisduval's tree nymph is found in the warmer, forested areas of Africa. The four subspecies are found in different regions:
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Southern African Butterfly Conservation Assessment: Species summary & distribution map:
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http://www.zimbabweflora.co.zw/speciesdata/insect-display.php?insect_species_id=400630
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Swaziland National Trust Commission: Malolotja Nature Reserve: Butterfly Checklist.
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Hyde, M.A. & Wursten, B. (2010). Flora of Zimbabwe: Butterfly species:
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http://www.sntc.org.sz/reserves/malbutterfliesfam.asp?fid=27
856: 945: 497:. Sometimes the larvae defoliate individual trees. 924:The Butterflies of Kenya and their natural history 325:, along the east coast of South Africa, through 827:Butterflies of Southern Africa: A Field Guide 760:Climbing higher to allow the wings to enlarge 458:). In Kenya, the larva have been recorded on 285:Female viewed from the side with wings closed 8: 1089:Taxa named by Hans Daniel Johan Wallengren 933: 821: 819: 817: 815: 813: 811: 809: 46: 29: 20: 688:Pupa begins to return to original colour 847: 845: 843: 786: 666: 651:Male drinking apple and cranberry juice 539: 867: 865: 772:Fully extended wings drying into shape 802:Lepidoptera and Some Other Life Forms 676:Pupa with dark colour before hatching 7: 700:Back to original colour and pattern 509:mature and hatch into a butterfly. 294:The following is a description for 615:Three colour versions of the pupae 14: 712:The shell at the head splits open 639:Female recently emerged from pupa 905:. Cape Town: Struik Publishers. 765: 753: 741: 736:The butterfly just fully emerged 729: 717: 705: 693: 681: 669: 644: 632: 620: 608: 596: 584: 572: 557: 549:Recently laid eggs on a leaf of 542: 360:Democratic Republic of the Congo 67: 377:(Rothschild & Jordan, 1903) 266:, is a butterfly in the family 724:The butterfly begins to emerge 1: 1079:Butterflies described in 1857 873:Sevenia boisduvali boisduvali 853:Sevenia boisduvali boisduvali 452:) and the jumping-seed tree ( 220:Rothschild & Jordan, 1903 748:Emerged with wings crumpled 660:Emergence from pupa gallery 390:(Joicey & Talbot, 1926) 237:Crenis boisduvali insularis 217:Asterope boisduvali kaffana 1105: 922:Larsen, Torben B. (1996). 438:The larval food plants in 417:A dark-patterned male pupa 591:Larvae almost fully grown 566:Sclerocroton integerrimus 551:Sclerocroton integerrimus 445:Sclerocroton integerrimus 245:Crenis boisduvalii omissa 240:Joicey & Talbot, 1926 225:Crenis boisduvali kaffana 195: 188: 169: 162: 64:Scientific classification 62: 54: 45: 37: 28: 23: 892:, retrieved 22 June 2010 879:, retrieved 22 June 2010 859:, retrieved 22 June 2010 564:Young larvae feeding on 306:Distribution and habitat 857:http://sabca.adu.org.za 455:Sclerocroton ellipticus 24:Boisduval's tree nymph 903:What's that Butterfly? 430: 418: 286: 264:Boisduval's tree nymph 1084:Butterflies of Africa 901:Woodhall, S. (2008). 825:Williams, M. (1994). 579:Slightly older larvae 424: 416: 284: 529:feed on the larvae. 16:Species of butterfly 800:at Markku Savela's 450:Sapium integerrimum 207:Asterope boisduvali 947:Sevenia boisduvali 533:Life cycle gallery 431: 429:feeding on a larva 419: 352:(Rothschild, 1918) 287: 259:Sevenia boisduvali 173:Sevenia boisduvali 155:S. boisduvali 1061: 1060: 939:Taxon identifiers 911:978-1-77007-486-6 603:Full-grown larvae 488:. The larvae are 391: 378: 353: 270:. There are four 255: 254: 249: 241: 233: 221: 212:Sallya boisduvali 203: 199:Crenis boisduvali 1096: 1054: 1053: 1041: 1040: 1028: 1027: 1015: 1014: 1002: 1001: 989: 988: 976: 975: 966: 965: 964: 934: 927: 920: 914: 899: 893: 886: 880: 869: 860: 849: 838: 823: 804: 791: 769: 757: 745: 733: 721: 709: 697: 685: 673: 648: 636: 624: 612: 600: 588: 576: 561: 546: 389: 376: 351: 315:S. b. boisduvali 296:S. b. boisduvali 274:; all native to 248:Rothschild, 1918 247: 239: 231: 219: 202:Wallengren, 1857 201: 175: 72: 71: 57:S. b. boisduvali 50: 40:S. b. boisduvali 33: 21: 1104: 1103: 1099: 1098: 1097: 1095: 1094: 1093: 1064: 1063: 1062: 1057: 1049: 1046:Observation.org 1044: 1036: 1031: 1023: 1018: 1010: 1005: 997: 992: 984: 979: 971: 969: 960: 959: 954: 941: 931: 930: 921: 917: 900: 896: 887: 883: 870: 863: 850: 841: 824: 807: 792: 788: 783: 778: 777: 776: 773: 770: 761: 758: 749: 746: 737: 734: 725: 722: 713: 710: 701: 698: 689: 686: 677: 674: 662: 657: 656: 655: 652: 649: 640: 637: 628: 625: 616: 613: 604: 601: 592: 589: 580: 577: 568: 562: 553: 547: 535: 524: 515: 506: 440:Southern Africa 436: 408: 403: 387:S. b. insularis 345:, South Africa. 341:and in eastern 319:coastal forests 308: 292: 184: 177: 171: 158: 66: 17: 12: 11: 5: 1102: 1100: 1092: 1091: 1086: 1081: 1076: 1066: 1065: 1059: 1058: 1056: 1055: 1042: 1029: 1016: 1003: 990: 977: 967: 951: 949: 943: 942: 937: 929: 928: 915: 894: 881: 861: 839: 805: 798:Hemming, 1964" 785: 784: 782: 779: 775: 774: 771: 764: 762: 759: 752: 750: 747: 740: 738: 735: 728: 726: 723: 716: 714: 711: 704: 702: 699: 692: 690: 687: 680: 678: 675: 668: 665: 664: 663: 661: 658: 654: 653: 650: 643: 641: 638: 631: 629: 626: 619: 617: 614: 607: 605: 602: 595: 593: 590: 583: 581: 578: 571: 569: 563: 556: 554: 548: 541: 538: 537: 536: 534: 531: 523: 520: 514: 511: 505: 502: 435: 432: 407: 404: 402: 399: 398: 397: 384: 371: 366:, and western 354:is found from 346: 307: 304: 291: 288: 253: 252: 251: 250: 242: 234: 232:Ungemach, 1932 222: 214: 209: 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456: 451: 447: 446: 441: 433: 428: 423: 415: 411: 405: 400: 395: 388: 385: 382: 375: 374:S. b. kaffana 372: 369: 365: 361: 357: 350: 347: 344: 340: 339:KwaZulu-Natal 336: 333:, to eastern 332: 328: 324: 320: 316: 313: 312: 311: 305: 303: 299: 297: 289: 283: 279: 277: 273: 269: 265: 261: 260: 246: 243: 238: 235: 230: 226: 223: 218: 215: 213: 210: 208: 205: 200: 197: 196: 194: 191: 187: 182: 176: 174: 168: 165: 164:Binomial name 161: 157: 156: 151: 148: 147: 144: 143: 139: 136: 135: 132: 129: 126: 125: 122: 119: 116: 115: 112: 109: 106: 105: 102: 99: 96: 95: 92: 89: 86: 85: 82: 79: 76: 75: 70: 65: 61: 58: 53: 49: 44: 41: 36: 32: 27: 22: 19: 946: 923: 918: 902: 897: 884: 872: 852: 826: 801: 795: 789: 627:A green pupa 565: 550: 525: 516: 507: 499: 483: 477: 471: 465: 459: 453: 449: 443: 437: 427:assassin bug 409: 392:is found on 386: 379:is found in 373: 356:Sierra Leone 349:S. b. omissa 348: 314: 309: 300: 295: 293: 263: 258: 257: 256: 244: 236: 228: 224: 216: 211: 206: 198: 172: 170: 154: 153: 141: 56: 39: 18: 1007:iNaturalist 495:leaf margin 467:Phyllanthus 290:Description 268:Nymphalidae 131:Nymphalidae 121:Lepidoptera 1068:Categories 781:References 490:gregarious 461:Excoecaria 401:Life cycle 343:Mpumalanga 331:Mozambique 272:subspecies 181:Wallengren 101:Arthropoda 1025:162641510 522:Predators 485:Sterculia 473:Macaranga 327:Swaziland 323:Cape Town 229:uniformis 149:Species: 87:Kingdom: 81:Eukaryota 999:10322597 970:BioLib: 962:Q7457584 956:Wikidata 394:São Tomé 381:Ethiopia 335:Zimbabwe 317:favours 190:Synonyms 127:Family: 97:Phylum: 91:Animalia 77:Domain: 1074:Sevenia 973:1147452 479:Kigelia 358:to the 183:, 1857) 142:Sevenia 137:Genus: 117:Order: 111:Insecta 107:Class: 38:Female 1051:226619 1038:224122 1012:360037 986:171384 909:  833:  796:Sallya 513:Adults 434:Larvae 364:Uganda 276:Africa 262:, the 504:Pupae 368:Kenya 55:Male 1033:NCBI 1020:IUCN 994:GBIF 981:BOLD 907:ISBN 831:ISBN 482:and 442:are 406:Eggs 329:and 227:ab. 425:An 1070:: 1048:: 1035:: 1022:: 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Index



Scientific classification
Edit this classification
Eukaryota
Animalia
Arthropoda
Insecta
Lepidoptera
Nymphalidae
Sevenia
Binomial name
Wallengren
Synonyms
Nymphalidae
subspecies
Africa

coastal forests
Cape Town
Swaziland
Mozambique
Zimbabwe
KwaZulu-Natal
Mpumalanga
Sierra Leone
Democratic Republic of the Congo
Uganda
Kenya
Ethiopia

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