Orthoptera: Rhaphidophoridae: Aemodogryllinae) from Southeast Asia
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ZOOSYSTEMATICA ROSSICA, 24(1): 48–84 25 JUNE 2015 New and little-known taxa of the tribe Diestramimini (Orthoptera: Rhaphidophoridae: Aemodogryllinae) from Southeast Asia. Part 1 Новые и малоизвестные таксоны трибы Diestramimini (Orthoptera: Rhaphidophoridae: Aemodogryllinae) из Юго-Восточной Азии. Часть 1 A.V. GOROCHOV* & S.YU. STOROZHENKO А.В. ГОРОХОВ, С.Ю. СТОРОЖЕНКО A.V. Gorochov, Zoological Institute, Russian Academy of Sciences, 1 Universitetskaya Emb., St Petersburg 199034, Russia. E-mail: [email protected]. *Corresponding author S.Yu. Storozhenko, Institute of Biology and Soil Science, Far Eastern Branch of the Russian Academy of Sciences, Vladivostok 690022, Russia. E-mail: [email protected] A new subgenus, 19 new species and two new subspecies are described from Vietnam, Laos and China: Tamdaotettix (Tamdaotettix) aculeatus sp. nov., T. (T.) flexus sp. nov., T. (T.) laocai sp. nov., T. (Laotettix subgen. nov.) tarasovi sp. nov., T. (L.) curvatus sp. nov., T. (L.) minutus sp. nov., T. (L.) inflatus sp. nov., T. (L.) sympatricus sp. nov., T. (?) robustus sp. nov., Gigantettix laosensis sp. nov., G. maximus auster subsp. nov., Diestramima hainanensis sp. nov., D. bispi- nosa sp. nov., D. hamata sp. nov., D. propria sp. nov., D. yunnanensis sp. nov., D. champasak sp. nov., Adiestramima adunca sp. nov., A. bella sp. nov., A. elongata sp. nov., A. perfecta hue subsp. nov. Previously unknown male of G. maximus maximus Gorochov, 1998 and imago of D. palpata (Rehn, 1906) are described on the base of a new material. New distributional data for some species are given. Из Вьетнама, Лаоса и Китая описаны новый подрод, 19 новых видов и два новых под- вида: Tamdaotettix (Tamdaotettix) aculeatus sp. nov., T. (T.) flexus sp. nov., T. (T.) laocai sp. nov., T. (Laotettix subgen. nov.) tarasovi sp. nov., T. (L.) curvatus sp. nov., T. (L.) minutus sp. nov., T. (L.) inflatus sp. nov., T. (L.) sympatricus sp. nov., T. (?) robustus sp. nov., Gigantettix laosensis sp. nov., G. maximus auster subsp. nov., Diestramima hainanensis sp. nov., D. bispi- nosa sp. nov., D. hamata sp. nov., D. propria sp. nov., D. yunnanensis sp. nov., D. champasak sp. nov., Adiestramima adunca sp. nov., A. bella sp. nov., A. elongata sp. nov., A. perfecta hue subsp. nov. На основании нового материала описаны ранее неизвестные самец G. maxi- mus maximus Gorochov, 1998 и имаго D. palpata (Rehn, 1906). Приведены новые данные по распространению некоторых видов. Key words: rhaphidophorids, taxonomy, Indochina, China, Orthoptera, Rhaphidophoridae, Aemodogryllinae, Diestramimini, new taxa Ключевые слова: пещерники, таксономия, Индокитай, Китай, Orthoptera, Rhaphido- phoridae, Aemodogryllinae, Diestramimini, новые таксоны INTRODUCTION east Asia. This subfamily is distributed also in the eastern part of Palaearctic (north- The subfamily Aemodogryllinae is one wards to Kunashir Island and Amur River of two subfamilies of the family Rhaphido- in Russia); the related subfamily Rhaphi- phoridae (Orthoptera: Stenopelmatoidea) dophorinae is more tropical and distributed distributed in tropical regions of South- from Ryukyu Islands and Central China to © 2015 Zoological Institute, Russian Academy of Scienсes A.V. GOROCHOV & S.YU. STOROZHENKO. TRIBE DIESTRAMIMINI FROM SOUTHEAST ASIA. PART 1 49 Fig. I. Schema of location of spines and spurs on tibiae and tarsi of Eurhaphidophora bona Gor. (a), and its reflection in “armament formula” (b) [after Gorochov (2012)]. Northern Australia and Samoan Archipela- in some genera of Rhaphidophorinae, and go. Aemodogryllinae consists of two tribes: completely membranous male genitalia are Aemodogryllini Jacobson, 1902 and Dies- characteristic of most genera of the latter tramimini Gorochov, 1998. subfamily. The tribe Diestramimini differs from Still now 33 species and subspecies be- Aemodogryllini in specialized abdominal longing to at least six genera of Diestrami- tergites and paraprocts of male: seventh ab- mini are known from India, Bhutan, China, dominal tergite always and sixth one some- Myanmar, Thailand and Vietnam (Rehn, times have a characteristic posteromedian 1906; Griffini, 1914; Chopard, 1918; Wür- process; each paraproct is usually with a mli, 1973; Storozhenko, 1990, 2009; Goro- finger-like, spine-like or hook-like process chov & Storozhenko, 1992; Gorochov, 1994, (epiproct sometimes also somewhat spe- 1998, 2002, 2010a; Liu & Zhang, 2001; Sto- cialized). Male genitalia in Diestramimini rozhenko & Dawwrueng, 2014). One new are usually membranous, but in two genera, subgenus as well as 19 new species and two they are with very small sclerotized and new subspecies of this tribe from Vietnam, hook-like denticles (Gigantettix Gorochov, Laos and China are described in the present 1998) or with a V-shaped sclerite (Mega- paper. Two genera (Megadiestramima and diestramima Storozhenko et Gorochov, Mimadiestra Storozhenko et Dawwrueng, 1992) very different from the analogous 2014) will be considered in the second part structure of Aemodogryllini (male genitalia of this paper. in Aemodogryllini have a median semiscler- To describe the location of spines and otized plate usually provided with numer- spurs on the tibiae and tarsi, a special “ar- ous small denticles). The latter tribe is also mament formula” is used here. This formula distinguished from Diestramimini by un- is originally elaborated for representatives specialized tergites, paraprocts and epiproct of the subfamily Rhaphidophorinae (Goro- in male. It seems to us that, in accordance chov, 2010b, 2012), but it is suitable for Ae- to the above-mentioned characters, Dies- modogryllinae also. The scheme of this ar- tramimini is a more primitive tribe, because mament and its reflection in the “armament similar abdominal processes are developed formula” are shown in Fig. I. In this formula, © 2015 Zoological Institute, Russian Academy of Scienсes, Zoosystematica Rossica 24(1): 48–84 50 A.V. GOROCHOV & S.YU. STOROZHENKO. TRIBE DIESTRAMIMINI FROM SOUTHEAST ASIA. PART 1 the following abbreviations are used: de, di, ventral keels. Male: abdomen with rather d2, d~2 – dorsal spines of fore and middle short posteromedian process of seventh ab- tibiae (external spine, internal one, a pair dominal tergite and often with angular or of spines consisting of external and internal spine-like posteromedian process on sixth ones which are situated very near each oth- abdominal tergite (Figs II: 2, 5, 7, 9, 11, 15, 19, 23, 27, 30, 34), or abdomen with pos- er, a pair of these spines situated almost near teromedian process of seventh abdominal each other); ve, vi, v2, v~2 – ventral spines tergite deeply divided into a pair of rather of same tibiae; d2a, v2a, v3a – apical spines long spines and without any process on sixth (= spurs) of same tibiae (a pair of dorsal abdominal tergite; paraproct without large spurs, a pair of ventral ones, three ventral dorsal lobe in proximal half and often with spurs); d18e–21i – dorsal spines of hind finger-like posterior process having rounded, tibia (18 external and 21 internal spines); angular, narrowed or spine-like apex (Figs II: d2sa, 6a – a pair of dorsal subapical spines 1, 4, 6, 8, 10, 14, 18, 22, 26), but sometimes and three pairs of spurs on same tibia; d3c, paraproct simple, roundly triangular in pro- dac – three dorsal central (= median) spines file (Figs II: 29, 33); genitalia completely membranous, with six lobes (three dorsal and one dorsal central spur on hind basitar- and three ventral lobes, and ventrolateral sus. If any spine (spur) is developed in one lobes not very long and undivided; Figs III: leg only, or if the number of spines (spurs) is 1–15). Female: posterodorsal part of seventh different in the left and right legs, this spine abdominal tergite with one median convexi- (spur) or spines (spurs) are given in paren- ty or small angular projection, and paraproct theses: ve, (vi), ve; d18e–21i (d19e–20i); simple in shape (almost roundly triangular); d3c (d5c). or posterodorsal edge of seventh abdominal The material studied (including holo- tergite with a pair of tubercles, and paraproct types and paratypes of new species and sub- with short conical distal process; upper valve species) is deposited at the following insti- of ovipositor sometimes with distinct dorsal notch near apex (Fig. IV: 5) . 2 tutions: Zoological Institute of the Russian – Body from large to medium-sized (length in Academy of Sciences, St Petersburg (ZIN); mm: pronotum 4.4–11; hind femur 19.5–48); Academy of Natural Sciences of Philadel- fore femora with ventral spines or denticles, phia, Pennsylvania (ANSP). or without them. Male: abdomen with di- verse posteromedian process of seventh ab- SYSTEMATICS dominal tergite (but this process undivided into a pair of rather long spines) and always without distinct posteromedian projection Tribe DIESTRAMIMINI Gorochov, 1998 on sixth abdominal tergite (sometimes lat- Note. All the genera of Diestramimini are ter tergite with short and widely rounded median convexity on posterior edge only); listed below, in a new generic key based on paraproct diverse in shape and with diverse the key published recently (Storozhenko & process or processes (but not simple in shape, Dawwrueng, 2014). This new key is neces- i. e. not roundly triangular in profile); geni- sary in connection with some changes in the talia with almost globular inflation on dorsal generic diagnosis of Tamdaotettix Gorochov, surface having numerous hook-like denticles 1998 and problematic position of Leodies- (Figs VI: 1–5), or with very long ventrolat- tramima Storozhenko,