The tribe Hecabolini is one of the largest,

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1 Ann. soc. entomol. Fr. (n.s.), 2006, 42 (1) : ARTICLE Hecabolomorpha n. gen., a new Asian genus from the tribe Hecabolini (Hymenoptera: Braconidae: Doryctinae) Sergey A. Belokobylskij (1) & Xuexin Chen (2) (1) Museum and Institute of Zoology Polish Academy of Sciences, Wilcza 64, Warszawa , Poland; Zoological Institute Russian Academy of Sciences, St. Petersburg, , Russia (2) Institute of Applied Entomology and Department of Plant Protection, College of Agriculture and Biotechnology, Zhejiang University, Huajiachi Campus, Hangzhou , China Abstract. A new Oriental genus Hecabolomorpha n. gen. with the type species H. asiatica n. sp. is described and illustrated from India and Central China. The position of this genus in the tribe Hecabolini and its relations with hecaboline genera are discussed. Resume. Hecabolomorpha n. gen., nouveau genre asiatique de la tribu Hecabolini (Hymenoptera : Braconidae : Doryctinae). Le nouveau genre oriental Hecabolomorpha n. gen. avec une espèce typique H. asiatica n. sp. est décrit et illustré de l Inde et de la Chine Centrale. La position du genre dans le tribu Hecabolini et les affinités avec les genres d hecaboline sont discutées. Keywords: Hymenoptera, Braconidae, Hecabolini, new genus, South Asia. The tribe Hecabolini is one of the largest, polymorphic and possibly polyphyletic groups of subfamily Doryctinae (Belokobylskij 1992; Belokobylskij et al. 2004b). About 40 genera of this tribe are known in the world fauna (Shenefelt & Marsh 1976; Belokobylskij 1992) and among those many new ones were recently described, mostly from the Neotropical Region (Marsh 1993, 2002; Braet & Achterberg 2001; Braet et al. 2003; Barbalho & Penteado-Dias 2002). A new genus Hecabolomorpha n. gen. (with type species H. asiatica n. sp.) with a developed second radiomedial vein of the fore wing is described below from India and Central China. The terminology for wing venation follows that of Belokobylskij & Tobias (1998). The following abbreviations are used: POL postocellar line; OOL - ocular-ocellar line; Od - maximum diameter of lateral ocellus; BMNH - The Natural History Museum (London, England); ZJUH Zhejiang University (Hangzhou, China). Systematics Hecabolomorpha n. gen. Type species. H. asiaticum n. sp. Etymology. from the doryctins generic names Hecabolus and Greece morphus (shape). Gender is neutral. sb@zin.ru, xxchen@zju.edu.cn Accepté le 1 er septembre 2005 Diagnosis. This new genus is very similar to Costarican Vanderentiellus Marsh 2002 (Marsh 2002) and differs in having the vertex smooth and not sloping from ocelli to occipital carina, the frons not excavated, the recurrent vein of fore wing usually distinctly postfurcal, the mesopleuron mostly smooth, the first tergite long, the second suture weakly sinuous, and the vertex and mesoscutum covered by peculiar dense pubescence. Hecabolomorpha n. gen. is also similar to African Terate Nixon 1943 (Nixon 1943), but differs in having the first flagellar segment short, the radial vein of fore wing arising just before middle of pterostigma, the second radiomedial vein distinct, the hind coxa with distinct basoventral tubercle, the first tergite shorter, the second tergite with posteriorly divergent lateral furrows, the propodeum with areas delineated by carinae, the vertex densely finely punctulate and with very dense peculiar setosity. Description. Head not depressed, dorsally roundly-convex (lateral view), weakly transverse (figs 1-3). Ocelli disposed in triangle with base times its sides. Frons not excavated and without median keel (figs 2,3). Eyes glabrous. Occipital carina complete dorsally, shortly obliterated below before hypostomal carina. Malar suture absent. Clypeal suture distinct and complete. Clypeus with distinct ventral flange (figs 1, 3). Hypoclypeal depression rather small and round (fig. 1). Postgenal bridge narrow. Palpi long, maxillary palpi 6-segmented, labial palpi 4-segmented. Third segment of labial palpi not shortened, long. Scapus rather wide and short, without apical lobe and basal constriction. First flagellar segment subcylindrical, almost straight, not longer than second segment. Last segment pointed apically (fig. 4). Mesosoma not depressed (fig. 5). Neck of pronotum short. Pronotum weakly convex dorsally. Pronotal carina and pronope absent. Propleural lobe distinct and wide. Mesonotum rather highly and almost perpendicularly raised above pronotum (fig. 5). Medial lobe of mesonotum weakly protruding anteriorly, without anterolateral shoulders, with shallow longitudinal median furrow. Notauli deep anteriorly and shallow posteriorly, complete, coarsely crenulate. Prescutellar depression long, with 107

2 S. A. Belokobylskij & X. Chen median carina. Scuto-scutellar suture distinct. Scutellum weakly convex, with fine lateral carinae. Metanotum with very short pointed median tooth. Subalar depression shallow and wide. Mesopleural pit distinct. Sternauli (precoxal sulcus) deep, long, almost straight, crenulate (fig. 5). Prepectal carina distinct and complete. Postpectal carina absent. Metapleural flange short and rather narrow. Propodeum with areas distinctly delineated by carinae; lateral tubercles and propodeal bridge absent. Propodeal spiracles small. Metapleural suture present. Wings. Pterostigma of fore wing rather wide (fig. 11). Parastigma distinct. Radial vein arising just before middle of pterostigma. Radial cell a little shortened. Both radiomedial veins present. Recurrent vein distinctly postfurcal or almost interstitial. Nervulus postfurcal. Discoidal cell distinctly petiolate. Mediocubital vein weakly curved towards anal vein in posterior half. Parallel vein arising from posterior 1/3 of apical side of brachial cell. Brachial cell shortly open posteroapically. Transverse anal veins absent. Hind wing (fig. 12) with 3 hamuli. Nervellus present. Fourth costal abscissa 0.9 times as long as mediocubital vein, 0.8 times as long as first and second costal abscissae combined. Submedial cell small. First abscissa of mediocubital vein 0.35 times as long as second abscissa. Recurrent vein present, unsclerotized, slated towards base of wing. Medial cell narrow, about 9.0 times as long as wide, 0.3 times as long as hind wing. Radial vein arising from costal vein. Radial cell narrowed towards apex, without additional transverse vein. First abscissa of costal vein times as long as second abscissa. Legs. Fore and middle tibia with several distinct small spines arranged in single row. Hind coxa medium-sized, with distinct basoventral tooth (fig. 6). All femora with very low dorsal protuberances. Hind femur rather narrow (fig. 7). Hind tibial spurs short, rather slender, setose, inner spur times as long as hind basitarsus. Basitarsus of hind tarsus 0.6 times as long as second-fifth segments combined. Metasoma (fig. 8). First tergite not petiolate, wide. Acrosternite times as long as first tergite, its apical margin placed distinctly before level of spiracles. Dorsope of first tergite distinct; basolateral lobes absent. Spiracular tubercles small and situated in basal of tergite; dorsal carinae present and almost complete. Second tergite with shallow, rather wide, posteriorly divergent lateral furrows. Second suture deep, weakly curved medially and finely curved laterally. Secondsixth tergites with separate laterotergites. Ovipositor straight and long. Vertex almost entirely with very dense short semierect setae and between it additionally with sparse long and almost erect setae. Distribution. South Palaearctic and Oriental Regions. Hecabolomorpha asiaticum n. sp. (figs 1-12) Type material. Holotype:, India Dehra Dun [ N E], U.P., J.C.M. Gardner, 19.VII.1930, R.R.D. 72, B.C.R. 5, Cage 695, Ex Combretum decandrum, 1079 (BMNH). Paratype. 1, China, Zhejiang prov., Tianmushan, N E, 7.IX.1998 (Zhao Mingshui), N (ZJUH). Description. Female. Body length mm; fore wing length mm. Head times as wide as median length (dorsal view). Head behind eyes distinctly roundly narrowed; transverse diameter of eye times as long as temple (dorsal view). POL almost equal to Od, times OOL. Eye times as high as broad. Malar space 0.4 times eye height, times basal width of mandible. Face width almost equal to eye height and times height of face and clypeus combined. Width of hypoclypeal depression times distance from edge of depression to eye, times width of face. Hypostomal flange narrow. Maxillary palpi times as long as head height (without mandible). Antenna filiform, slender, segmented, 1.2 times as long as body. Scapus times as long as maximum width. First flagellar segment times as long as it apical width, as long as second segment. Penultimate segment 4.5 time as long as wide, times as long as first segment, times as long as apical segment. Mesosoma times as long as high. Mesoscutum as long as wide. Median lobe of mesoscutum convex anteriorly. Prescutellar depression finely rugulose, times as long as the weakly convex scutellum. Sternauli (precoxal sulcus) running along entire length of lower part of mesopleuron. Wings. Fore wing times as long as wide. Metacarpus times as long as pterostigma. Second radial abscissa times as long as first abscissa, times as long as the straight third abscissa, times as long as first radiomedial vein. Second radiomedial cell short, times as long as wide, times as long as brachial cell. First abscissa of medial vein weakly S-shaped. Discoidal cell 2.8 times as long as wide. Distance between basal vein and nervulus times nervulus length. Hind wing times as long as wide. Legs. Fore tibia almost as long as fore femur and 0.8 times as long as fore tarsus. Hind femur times as long as wide. Hind tarsus almost as long as hind tibia. Second segment of hind tarsus 0.6 times as long as basitarsus, times as long as fifth segment (without pretarsus). Metasoma times as long as head and mesosoma combined. First tergite distinctly and linearly widened towards apex, its length times apical width; apical width times basal width. Median length of second tergite times its basal width, times length of third tergite. Ovipositor sheath rather distinctly widened subapically, then distinctly narrowed towards apex; times as long as metasoma, times as long as mesosoma, times as long as body, 1.1 times as long as fore wing. Sculpture. Vertex almost smooth, with very fine punctulation; frons very finely and densely punctulate. Face finely and densely rugulose-granulate, almost smooth laterally and below. Mesoscutum densely granulate, narrowly rugulose in medioposterior half. Scutellum smooth, with fine punctuation. Mesopleuron smooth at most part, longitudinally striate in upper 0.3. Basolateral areas of propodeum rugulose-punctulate, almost smooth basally, sometimes widely and densely granulate around median carina; rest part of propodeum sparsely rugose-areolate with dense granulation; areola rather distinctly delineated by carinae, short and wide; basal carina times as long as areola fork. Hind coxa dorsally finely and densely transversely striate with granulation, smooth at most part. Hind femur striate in dorso-posterior half, smooth at most part. First and second metasomal tergites entirely, third in basal 0.75 and fourth in basal 0.7 distinctly densely and 108

3 New Asian genus from the tribe Hecabolini Figures 1-12 Hecabolomorpha asiaticum n. gen. et sp. 1, head, front view. 2, head, dorsal view 3, head, lateral view. 4, basal and apical segments of antenna. 5, mesosoma, lateral view. 6, hind coxa. 7, hind femur. 8, metasoma, dorsal view. 9, hind tibia. 10, apex of ovipositor. 11, fore wing. 12, hind wing. 109

4 S. A. Belokobylskij & X. Chen regularly striate with dense ground reticulation between striae; third and fourth tergites smooth apically. Fifth tergite finely and densely punctulate in basal 0.3, sometimes also with fine rugulosity, smooth on the rest part. Vertex and mesoscutum entirely with very dense short and semi-erect setae and partly with more sparse long erect setae. Mesopleuron almost entirely with rather long dense white setae. Hind tibia dorsally with long, rather sparse, erect or semi-erect white setae, their length times maximum width of tibia. Colour. Body yellow or reddish brown, infuscate dorsally. Antenna mostly dark brown to black, yellow or brownish yellow basally. Palpi yellow. Legs entirely yellow or brownish yellow, fifth segment of all tarsi brown. Ovipositor sheath black. Fore wing very faintly infuscate. Pterostigma brown, faintly paler basally. Male. Unknown. Etymology. From continent where this species was collected. Distribution. India, Central China. Discussion The absence of the second radiomedial vein of the fore wing was for a long time the main diagnostic character of Hecabolini separating it from Doryctini (Foerster 1862; Ashmead 1900; Telenga 1941; Nixon 1943; Marsh 1965; Tobias 1961, 1971). Later some authors (Tobias 1961; Marsh 1967) showed that this vein can be present in species (as well as in some specimens of one species) of such hecaboline genera as Pareucorystes Tobias 1961 and Leluthia Ashmead 1887 (Doryctosoma Picard 1938). The revision of the almost all known genera of Doryctinae makes it possible to add a new apomorphic character for the tribe Hecabolini the postero-apically open brachial cell of the fore wing (Belokobylskij 1992). On the other hand, the lack of the second radiomedial vein as well as the presence of the complex stigma-like enlargement in hind wing of male are considered as ones of the valuable evolution tendencies of hecaboline genera (Belokobylskij 1992). This opinion has been supported by descriptions of new genera of this tribe from the Neotropical Region (Marsh 1993, 2002; Braet & Achterberg 2001; Braet et al. 2003), where many hecaboline genera with a welldeveloped second radiomedial vein have been recorded. Interestingly, at least 2 genera of the tribe Doryctini described recently (Belokobylskij 2002, 2005) are characterized by complete reduction of this vein, normally presented in the most doryctine genera. The last finding makes the distinctions between these two large polymorph and related tribes more complicated. Except for listed upper related genera, the new genus described here is similar to the almost cosmopolitan Leluthia Cameron 1887 (Marsh 1967; Belokobylskij et al. 2004a), but differs in having the first mediocubital abscissa of hind wing short and submedial cell small, the recurrent vein of fore wing distinctly postfurcal, the second tergite with posteriorly divergent lateral furrows, and the vertex with peculiar setosity. Hecabolomorpha n. gen. can be distinguished from cosmopolitan Monolexis Foerster 1862 in having the first mediocubital abscissa of hind wing short and submedial cell small, the second radiomedial vein distinct, the second tergite with posteriorly divergent lateral furrows, the vertex and mesoscutum with peculiar setosity, the vertex finely punctulate, and the body elongate. The new genus distinctly differs from the Palaearctic genus Pareucoryctes Tobias 1961 (Tobias 1961) in having the first mediocubital abscissa of hind wing short and submedial cell small, the second tergite without posterior additional transverse furrow, the body not depressed, the vertex and mesoscutum with peculiar setosity, the vertex finely punctulate, the hind coxa with a distinct basoventral tooth, and the pronotum weakly convex dorsally. Of the Neotropical hecaboline genera, Hecabolomorpha n. gen. is also similar to Donquickeia Marsh 1993, Polystenoides Muesebeck 1950, Glyptocolastes Ashmead 1900, and Johnsonius Marsh 1993 (Marsh 1993, 1999, 2002). The new genus differs from Donquickeia Marsh in lacking the pronotal carina, a having the radial vein arising before middle of pterostigma, the second tergite with posteriorly divergent lateral furrows, the laterotergites separated on the second-sixth tergites, the sternauli long, the vertex and mesopleuron almost smooth, and the vertex and mesoscutum covered by peculiar dense pubescence. Hecabolomorpha n. gen. differs from Polystenoides Muesebeck in having the pronotum weakly convex dorsally, the mesoscutum rather highly and almost perpendicularly raised above pronotum, the recurrent vein of fore wing not antefurcal, the second tergite shorter and with posteriorly divergent furrows, the propodeum with areas delineated by carinae, the vertex and mesoscutum covered by peculiar dense pubescence. The new genus differs from Glyptocolastes Ashmead in having the first mediocubital abscissa of hind wing short and submedial cell small, the third tergite without transverse furrow, the recurrent vein of fore wing not antefurcal, the first flagellar segment longer than second segment, the propodeum with areas delineated by carinae, the vertex smooth, and the vertex and mesoscutum covered by peculiar dense pubescence. At last, Hecabolomorpha n. gen. differs from Johnsonius Marsh in having the first flagellar segment longer than the second segment, the recurrent vein not antefurcal, the spines of the fore tibia arranged in one row, the second tergite with posteriorly divergent lateral furrows, the vertex smooth, and the vertex and 110

5 New Asian genus from the tribe Hecabolini mesoscutum covered by peculiar dense pubescence. Acknowledgements. First author wish to express sincere thanks to Dr. D. Quicke (Ascot, U.K.) for allowing to study undetermined material, to Dr. C. van Achterberg (Leiden, the Netherlands), Prof. P. Rasmont (Mons, Belgium) and unknown reviewer for reviewing an early draft of the manuscript. The present work was partly supported by the Russian Foundation for Basic Research (grant No to the first author) and the National Scientific Foundation of China (grant No to the second author). References Ashmead W.H Classification of the Ichneumon flies, or the superfamily Ichneumonoidea. Proceedings of the United States National Museum 23(1206): Barbalho S., Penteado-Dias A A new genus and species of Doryctinae (Hymenoptera: Braconidae) with fused first and second metasomal terga. 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