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Pupa of Japanesearctiidae(Lepidoptera)

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Pupa of Japanesearctiidae(Lepidoptera) The LepidopterologicalSocietyLepidopterological Society of Japan ee t tw 7'rans. tepid. Soc:. Jqpan 58 (2): 238-244, March 2007 Pupa of Japanese Arctiidae (Lepidoptera) Part II Arctiinae* Masanao NAKAMuRA Ubumi 497I-1, Yuto-cho, I{amamatu, Shizuoka Pref., 431-O102 Japan Abstract Pupae of 1 1 genera of Arctiinae in Arctiidae from Japan are described. This subfennily is divided inte two tribes, Arctiini and Spilosomini, nnd the fomier is constituted i'rom two groups arid the lattcrfrom three groups based un the pupa] characters. The pupae of some genera of the Spitarctia group excepting Chionarctia are indistinguishable, and some gencra are tentatively corn- bLned with thc genus Lem},ra in this paper. Key words Arctlidae. Arctiinae, pupa, classificution, descripLion, Japan. Description of the genus Subfamily Arctiinae [[ribe Arctiini GroupI Rbyparia HUbner Fusiform. Frons with a pair of small tubercles not connected on the base; labial palpus minute; maxi]la reaching nine-tenths distance to caudal margin of wing, cephalic margin steeply oblique; antenna extending far beyond tip of prothoracic leg and to slightly short of tipof maxilta; suture between pro- and mesothorax attached to antenna at a point of suture restricting proximal margin of mesothoracic leg; spiracular callosity distinct; hindwing hid- den under forewing at cephalic margin of 4th abdominal segment; prothoracic leg not so ta- pered towards extremity, ending seven-tenths distance to caudal mar-gin of wing; mesotho- racic lcgs extending to tip of maxil]a and never meeting on meson at extremity; metatho- racic leg visible but never connected with maxilla; 5th-7th abdominal seginents with flange 2nd-3rdabdominal plate;tively spiracles fu11y visib]e; 8th spiracle rudimentary; cremaster rela- large, never bifid, with one pair of long and three pairs of short hooked setae. Setae arranged around the scars of larval verrucae. Prothorax with Dl, SDI and XD, meso- and metathorax with D] and SDI each; lst abdominal segment with Dl, D2 and SDI; 2nd-3rd segments with Dl, D2, SDI and Ll; 4th segment with Dl, D2, SDI, Ll and L2; 5th-7th segments with Dl, D2, SDI, Ll, L2, SV and V. Species examined, R. puilpurata (Linnaeus), 20 mm, brown. Diacrisia Htibner Frons Fusiform. with apair of small tubercles not connected on the base; labial palpus con- cealed; maxil]a reaching nine-tenths distance to caudal margin of wing, cephalic margin gentlyoblique; antenna extending to tip of leg and to slightly short of tip prothoracic of *Taxonomic studies on the pupae ufJapanese Lepidoptera-Hetcrecera XIV (2). NII-Electronic LibraryMbrary Service The LepidopterologicalSocietyLepidopterological Society of Japan 239 Pupae of Japanese Arctiidae, II maxilla; thorax wrinkled; suture between pro- and mesothorax attached to antenna at a point of suture restricting proximal margin of prothoracic leg; spiracular callosity indistinct; hindwing hidden under forewing on spiracular level of 4th abdominal segment; prothoracic leg tapered towards extremity, ending seven-tenths distance to caudal margin of wing; mesothoracic legs extending just beyond tip of maxilla and meeting on meson at extremity; metathoracic leg visjble and connected with maxilla; abdomen sparsely scattered with micro punctures; 5th-7th abdominal segments with flange plate; 2nd-3rd abdomina] spira- cles visible; 8th spiracle rudimentary; cremaster relative large, never bifid, with one pair of long and seven pairs of short hooked setae. Species examined. D. irene (Butler). 13 mm, reddish brown. Grammia quenseli Paykull seeins to be related to the genus Diacrisia Htibner according to the description of Pato6ka and Tur6aiii (2005), Group II Arctia Schrank Longitudinally fusiform, Labial palpus appearing small; maxilla reaching six-sevenths dis- tance to caudal margin of wing, cephalic margin gently obljque; antenna ending slightly be- fore tjp of mesothoracic leg; thorax striated; suture between pro- and mesothorax attached to antenna at a point of suture restricting proximal margin of prothoracic leg; prothoracic spiracular slit indistinct; hindwing hidden under fbrewing at cephalic margin of 4th abdomi- nal segment; prothoracic leg reaching five-eighths distance to caudal margin of wing, taper- ing to extremity; mesothoracic leg ending just before tip of maxilla; metathoracic leg ap- pcaring minute and never connected with maxilla; abdomen sparsely scattered with micro punctures; 5th-7th abdominal segments with flange plate: 2nd-3rd abdominal spiracles half visible; 8th spiracle vestigial; cremaster large, bifid, with ten pairs of hooked setae on each parLSpecies examined. A, cqja (Linnaeus). 25 mm, dark reddish brown. Riryparioides Butler Fusiform. Frons with a pair of tubercles connected on the base; labial palpus appearing minute; maxilla reaching four-fifths distance to caudal margin of wing, cepha]ic margjn gently oblique; antenna ending just befbre tip of maxilla; suture between pro- and mesotho- rax attached to antenna at a point of suture restricting proximal margin of prothoracic leg; prothoracic spiracular slit appearing large; hindwing hidden under forewing at cephalic margin of 4th abdominal segment; prothoracic leg ending slightly before tip of antenna, ta- pered toward extremity; mesothoracic lcgs extending sli.uhtly beyond tip of maxilla, meet- ing on meson at extremity; metathoracic leg visible but never connected with maxilla; 5th-7th abdominal segments with flange plate; 2nd-3rd abdominal spiracles fu11y visible, 8th spiracle vestigi'al; cremaster relatively large, bifurcate, with four pairs of shert hooked setae on each part, Prothorax with D1 , SD1 and secondary XD setae. Species examined, R. metetkana (Lederer), 17 mm, blackish brown with reddish brown setae.Parasemia Htibner Fusiform. Frons with a pair of small tubercles never connected on base; labial palpus ap- pearing minute; maxilla extending seven-tenths distance to caudal margin of wing, cephalic NII-Electronic Library Service The LepidopterologioalLepidopterological SooietySociety of Japan 240 Masanao NAKAMuRA 4 ー 11， ー ’． −− ．ー 丶 ．〆 ノ 蕊 羨 覇 黛 ／ 2 6 k 、 イ ピ勢 卩厂 ．〆 ◎ ＼ ， 1 彪 セ i 丶 端 ー 傘 モ 、 ． ー ／ ド −1 ， 犠 ー」 ．り ． ドー − 「／ r． ． ド ず ・． ’ ． 凭 ． ． 丶 」 ．夙 1 ， 論 「 1 ー T ［ 〆 〃 ； 」 −． げ 勇 − ー ー 「 ぐ．＼ へ う r ア 1 〜 L、 渚 一 ノ 烈 マ三！ 墨 満 響 ド ／ F 『 覊 ； 一 8 墜 恥 眠 丶 黨 麟甜 》 ノ 蹴Ψ 瞬 斎 錚 圭一 of arctiids ’ 畿 ’ Figs 8．Pupae 、1．Rh ＞paria purpurata （Lillnaeus），a ： cremaster ，2．Diacrisia〃ene Butler a： cremaster 3 Rhyparioides metelkana Lederer a ： crcmaster 4 P α 广asernia （ ）， ． ， （ ）， ． ． ptantaginis（Linnaeus）， a ： cremaster ． 5． Epatolmis caesarea （Goeze ）， a ： crenlaster ． 6， A 厂ctia c μノa （Lillnaeus）， a ： cremaster ．7． Phrag〃iatobia amurensis Seit7， a ： creinaster ，8， α 副 （刑 α o ∫ 齠 η 5 ’βη ∫ （Wa 】k。r）． 一 NII-ElectronicN 工 工 Eleotronio Library Service The LepidopterologicalSocietyLepidopterological Society of Japan Pupae ol'Japanese Arctiidae, II 241 9 11 a .L-,/// t ,}tM twa Figs 9-]1. Pupae of arctiids, 9. Lem.w'a inaequalis (Butler), di', a: cremaster. 10. L. b(flih'ciata CBut]er), \, ai cremaster. 11. Cremaster of Chionarctia nivea (M6n6tries). margin gently oblique; antenna ending just before tip of mesothoracic leg; suture between pro- and mesothorax attached to antenna at a point of suture restricting proximal margin of mesothQracic leg; prothoracic spiracular slit indistinct; hindwing hidden under forcwing at cephalic margin of 4th abdominal segment; prothoracic leg ending just before tip of maxil- la; mesothoracic legs reaching fOur-fifths distance to caudal margin of wing, distal portion meeting on meson; metathoracic leg visible but never connected with maxilla; 2nd-3rd ab- dominal spiracles ha]fhidden under wing; 8th spiracle vestigial; cremaster relatively targe, bifid on caudul ponion, with four pairs of short hooked setae on each part. Specieg exarnined. P. ptantaginis (Linnaeus). 14 mm, brown, Elr,atolmis Eichwald Fusifbrm. Frons without tubercle; ]abial palpus appearing minute; rnaxilla reaching three- fifths distance to caudal margin of wing, cephalic margin steeply oblique; antenna extend- ing to slightly short of tip of mesothoracic leg; suture between pro- and mesothorax at- tached to antenna at slightly cephalic point of suture restricting proximal margin of protho- racic leg; spiraular callosity visible to a small extent; hindwing hidden under forewing at cephalic margin of 4th abdominal segment; prethoracic leg ending three-eighths distance to caudal margin of wing; mesothoracic legs reaching fifth-sixths distance to caudal margin of wing, meeting on meson in distal ponion; metathoracic Ieg invisible; 5th-7th abdominal segments with fiange p]ate; 2nd-3rd abdominal spiracles fu1ly visible, 8th spiracle rudimen- tary; cremaster small, bifid with seven pairs of anchor like setae, Species examined, E, caesarea (Goeze), 12 mm, blackish brown. Uyphotuia auZica Linnaeus should be placed near this genus according te the description of Pato6ka and Tur66ni (2005), [bribe Spilosomini GroupI Phragmatobia Stephens Fusiform. Frons slightly protuberant; labial palpus appearing minute; maxilla extending NII-Electronic Library Service The LepidopterologicalSocietyLepidopterological Society of Japan 242 Masanae NAKivvluRA four-fifths distance to caudal margin of wing, cephalic margin gently oblique; antenna end- ing at the level of tip of maxilla; suture between pro- and mesothorax attached to ant,enna at a point of suture restricting proximal margin of mesothoracic leg; spiracular callosity indis- tinct; hindwing hidden under fbrewing at cephalic margin of 4th abdominal
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