New Species and Records of Trypetinae (Diptera: Tephritidae) from China
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Zootaxa 3710 (4): 333–353 ISSN 1175-5326 (print edition) www.mapress.com/zootaxa/ Article ZOOTAXA Copyright © 2013 Magnolia Press ISSN 1175-5334 (online edition) http://dx.doi.org/10.11646/zootaxa.3710.4.3 http://zoobank.org/urn:lsid:zoobank.org:pub:0CD6FB21-240F-4F46-A638-A2E90DF2F226 New species and records of Trypetinae (Diptera: Tephritidae) from China XIAO-LIN CHEN, XIN-JIAN WANG & CHAO-DONG ZHU1 Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China. E-mail: [email protected]; [email protected]; [email protected] 1Corresponding author. E-mail: [email protected] Abstract Eight new species of Trypetinae (Diptera: Tephritidae) from China are described and illustrated. The new species are Cor- nutrypeta chishuiensis Chen sp. nov., C. motuonia Chen sp. nov., Hoplandromyia hubeiensis Chen sp. nov., H. motuonica Chen sp. nov., Magnimyiolia disrupta Chen sp. nov., M. tengchongnica Chen sp. nov., M. tibetana Chen et Wang sp. nov. and M. yunnanica Chen et Wang sp. nov. Keys to the known species of the genera Cornutrypeta Han et Wang and Hop- landromyia Bezzi from the World, and the genera Magnimyiolia Shiraki from East Asia are updated and provided. C. spin- ifrons (Schroeder) is newly recorded from China, and the female of C. hunanica Chen et Wang is recorded, described and illustrated for the first time. Illustrations of the type of M. huanana Wang and a new distribution of C. hunanica Chen et Wang are provided. Key words: Diptera, Tephritidae, Trypetinae, New species, China Introduction Recent field trips and sorting of several museum and donated materials to Institute of Zoology, Chinese Academy of Sciences (IZCAS) of Cornutrypeta Han et Wang, Hoplandromyia Bezzi and Magnimyiolia Shiraki has yielded several new species, together with new information on previously known taxa. These new findings enable an updating of the present knowledge of these genera, all of which belong in the tribe Trypetini in subfamily Trypetinae. The additional 8 new species are Cornutrypeta chishuiensis Chen sp. nov., C. motuonia Chen sp. nov., Hoplandromyia hubeiensis Chen sp. nov., H. motuonica Chen sp. nov., Magnimyiolia disrupta Chen sp. nov., M.tengchongnica Chen sp. nov., M. tibetana Chen et Wang sp. nov. and M. yunnanica Chen et Wang sp. nov. Keys to the species of Cornutrypeta Han et Wang and Hoplandromyia Bezzi from the World and Magnimyiolia Shiraki from East Asia are updated. Additionally, C. spinifrons (Schroeder) is recorded from China for the first time. The female of C. hunanica Chen et Wang is also newly recorded. Terminology and abbreviations The general morphological terminology follows White et al. (1999) and McAlpine (1981), while head descriptions of Cornutrypeta Han et Wang follow Han et al. (1993). Lengths of body and wing were measured in millimeters. The following acronyms are used for specimen depositories: IZCAS (Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, P. R. China), IPPE (Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, P. R. China), HU (Hebei University, Baoding, 071002, P.R. China), YU (Yangtze University, Jingzhou, 434023, P.R. China). Cornutrypeta Han et Wang, 1993 Cornutrypeta Han et Wang, 1993: 169. Type species: Trypeta superciliata Frey, 1935, by original designation. Accepted by D. Bickel: 2 Sept. 2013; published: 16 Sept. 2013 333 Diagnosis. Cornutrypeta is a sexually dimorphic genus. The generic diagnosis is only available for males, with the females being almost impossible to separate from those in the closely related genus Trypeta Meigen. Males differ from other Oriental and Palaearctic Trypetinae genera by the following combination of characters: (1) 3-5 frontal setae with at least 2 anterior ones greatly enlarged among remaining normal setae; (2) frons enlarged to accommodate the extensive elaboration of the anterior frontal setae; (3) glans with median granulate sclerite large, apicodorsal rod usually present (Han et al., 1993). The larvae of Cornutrypeta spinifrons (Shroeder) have been reported from Europe to mine the leaves of Solidago vergaurea and Aster sp. (Asteraceae) (White, 1988; Han et al., 1993). This is the only biological information available for the genus. With the addition of 2 new species described below, 14 species of this genus are recorded from the Palaearctic and Oriental regions, 12 of which occur in China. An updated key to the species of Cornutrypeta Han et Wang 1. Scutum largely dark brown . 2 - Scutum almost entirely yellowish brown to orange-brown . 3 2. Wing with small brown spot from middle of cell r2+3 to costa . C. yushunia Han et Wang - Wing without such spot . C. nigritata (Wang) 3. Mediotergite dark brown. .4 - Mediotergite yellow-brown. 9 4. Head with 3 frontal setae in both sexes, the 3rd frontal seta 0.7 times longer than anterior 2 setae . .C. superciliata (Frey) - Head with 4-5 frontal setae in males. 5 5. Head with 4 frontal setae in males; antennae dark brown or yellow . 6 - Head with 5 frontal setae in males; antennae yellow-brown . 7 6 Wing with subapical band extending from vein DM-CU to cell r4+5; head with antennae dark brown . C. taiwanensis Han - Wing with subapical band not extending into cell r4+5; head with antennae yellow . C. chishuiensis Chen sp. nov. 7. Wing with discal band not extending to cell dm . 8 - Wing with discal band extending to cell dm . .C. spinifrons (Schroeder) 8. Wing with the subapical brown band incomplete, broken between r2+3 and midway across r4+5; scutum subshiny with large pre- sutural square black spot in middle of anterior margin, the cleft in its posterior margin deep; abdomen yellow-brown. C. gansunica Chen et Wang - Wing with the subapical brown band almost complete; scutum subshiny with pre-sutural quadrate black spot in middle of ante- rior margin, the cleft in its posterior margin shallow; abdomen dark brown . C. hunanica Chen et Wang 9. Postpronotal lobe and upper 2/3 of anepisternum ivory white; 4 of 5 frontal setae in male greatly enlarged . C. nigrifemur Han et Wang - Postpronotal lobe and anepisternum mostly yellowish brown to orange-brown; male with fewer 4 enlarged frontal setae . 10 10. Scutum anteriorly with large quadrate black spot. C. melanonotum (Brunetti) - Scutum without such spot . .11 11. Fifth tarsomere dark brown; head with single orbital setae . .C. omeishana Han et Wang - Fifth tarsomere yellow-brown to orange-brown; head with two orbital setae . 12 12. Head with 3 pairs of frontal setae in male, 1st and 2nd seta enlarged, 3rd normal in shape; wing with small apical spot, never extending to R2+3 . .C. gigantocornuta Han et Wang - Head with 4 pairs of frontal setae in male, 1st, 2nd and 3rd seta enlarged, 4th normal in shape; wing with large apical spot, always extending over the end of R2+3 . 13 13. Wing with short and obscure dark brown marks only partially covering crossveins R-M and DM-Cu. C. triceratops (Bezzi) - Wing with long and distinctive dark brown marks completely covering crossveins R-M and DM-Cu . C. motuonia Chen sp. nov. Cornutrypeta chishuiensis Chen sp. nov. Figs 1–6 Description. Male: Length of body 6.0 mm, of wing 5.8 mm. Head (Fig. 1) yellow, higher than long, with frontal-head ratio 0.53, eye ratio 0.58, genal-eye ratio 0.26. Frons distinctly wider than eye, concave medially and elevated laterally. Face concave, slightly protuberant at ventral margin. All setae black; 4 frontal and 1 orbital. Frontal setae enlarged, 1st–2nd frontal setae very long and distinctly longer than frons, apically pointed; 3rd frontal setae smaller, about 0.60 times as long as 1stor 2nd setae; 4th about 0.80 334 · Zootaxa 3710 (4) © 2013 Magnolia Press CHEN ET AL. FIGURES 1–6. Cornutrypeta chishuiensis Chen sp. nov. 1. Head, lateral view; 2. Wing; 3. Body, lateral view; 4. Head and thorax, dorsal view; 5. Scutum, dorsal view; 6. Abdomen, dorsal view. NEW SPECIES AND RECORDS OF TRYPETINAE FROM CHINA Zootaxa 3710 (4) © 2013 Magnolia Press · 335 times as long as 3rd seta. Ocellars rudimentary; genal, vertical and postocellars well developed. Occiput slightly convex. Antennae yellow, distinctly shorter than face; 1st flagellomere dorsoapically rounded; arista pubescent. Thorax (Fig. 5) yellow-brown in ground colour, with black setae; 2 anepisternals and 2 scutellars; 1 dorsocentral seta, aligned slightly posterior to postsutural supra-alars; 1 prescutellar acrostichal setae. Scutum yellow-brown and subshiny with large black pre-sutural square bifurcate spot in middle of anterior margin, the cleft in its posterior margin smaller; the area close to scutellum pale yellow. Scutellum almost bare, pale yellow, slightly convex with basal setae about 2.0 times as long as scutellum. Mediotergite black. Legs entirely yellow; femora swollen; fore femur especially swollen and with row of posteroventral black setae; mid tibia with 1 black apical spine. Wing (Fig. 2) with the apical mark extend up into cell r1 and down into cell m, subapical brown band incomplete, broken between middle of cell r2+3 and across cell r4+5; discal brown band extending from stigma to crossvein R-M, but slightly broken in cell r2+3 ; basal brown band extending from base of R2+ 3 to apex of cell bcu; cell sc about half as long as cell c; lobe of cell bcu short; crossvein R-M slightly proximal to middle of cell dm. Abdomen (Fig. 6) about 1.4 times as long as wide; shiny, yellow-brown ground colour with dark brown setulae; tergites 4–5 each with vague dark-brown to black lateral marks. Female: Unknown. Etymology. This species is named after the type locality. Type. Holotype male, China: Suoluo Nature Reserve, Chishui, Guizhou Province, 2300m, 3–5 April 2010, collected by Wei Lianmeng et al (IZCAS).