New and Little-Known Taxa of the Tribe Diestramimini (Orthoptera: Rhaphidophoridae: Aemodogryllinae) from Southeast Asia
Total Page:16
File Type:pdf, Size:1020Kb
ZOOSYSTEMATICA ROSSICA ISSN 2410-0226 Zoological Institute, Russian Academy of Sciences, St Petersburg ▪ https://www.zin.ru/journals/zsr/ [ onl ine] 0320-9180 Vol. 28(1): 132–154 ▪ Published online 13 June 2019 ▪ DOI 10.31610/zsr/2019.28.1.132 [ print] RESEARCH ARTICLE New and little-known taxa of the tribe Diestramimini (Orthoptera: Rhaphidophoridae: Aemodogryllinae) from Southeast Asia. Part 2 Новые и малоизвестные таксоны трибы Diestramimini (Orthoptera: Rhaphidophoridae: Aemodogryllinae) из Юго-Восточной Азии. Часть 2 A.V. Gorochov & S.Yu. Storozhenko А.В. Горохов, С.Ю. Стороженко Andrey V. Gorochov, Zoological Institute, Russian Academy of Sciences, 1 Universitetskaya Emb., St Petersburg 199034, Russia. E-mail: [email protected] Sergey Yu. Storozhenko, Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far East Branch of the Russian Academy of Sciences, Vladivostok 690022, Russia. E-mail: [email protected] Abstract. The genera Megadiestramima Stor. et Gor. and Mimadiestra Stor. et Dawwrueng are considered. Megadiestramima is here divided into three subgenera: Megadiestramima s. str.; Leodiestramima Stor. (in 2014, this subgenus was raised up to generic rank by Storozhenko & Dawwrueng, but in 2015, it was restored in original subgeneric rank by Gorochov & Storozhenko); Neodiestramima subgen. nov. Seven new species and subspecies of this genus are described from Vietnam, Thailand and Cambodia: M. (M.) borealis sp. nov.; M. (M.) abramovi sp. nov.; M. (M.) bilobata sp. nov.; M. (M.) centralis sp. nov.; M. (N.) orlovi lata subsp. nov.; M. (N.) o. khmerica subsp. nov.; M. (N.) brevispina sp. nov. Keys to subgenera and species of Megadiestrami- ma s. l. and Mimadiestra as well as keys to subgenera of Diestramima Stor. and Adiestramima Gor. are given. Eight additional new taxa of the latter genera and of the genus Tamdaotettix Gor. are described from Laos, China and Vietnam: Baculitettix subgen. nov. and Excisotettix subgen. nov. in Diestramima s. l.; D. (B.) propria apicalis subsp. nov.; Hamatotettix subgen. nov. and Ulterotettix subgen. nov. in Adiestramima s. l.; A. (Adiestramima) originalis sp. nov.; T. (Tamdaotettix) ailaoshanicus sp. nov.; T. (T.) minipullus sp. nov. New data on distribution of some species are also given. Резюме. Рассмотрены роды Megadiestramima Stor. et Gor. и Mimadiestra Stor. et Dawwrueng. Mega- diestramima здесь подразделена на три подрода: Megadiestramima s. str.; Leodiestramima Stor. (в 2014 г. Стороженко и Давруенг повысили ранг этого подрода до уровня рода, но в 2015 г. Горохов и Сторо- женко восставили для него подродовой ранг); Neodiestramima subgen. nov. Из Вьетнама, Таиланда и Камбоджи описаны семь новых видов и подвидов этого рода: M. (M.) borealis sp. nov.; M. (M.) abramovi sp. nov.; M. (M.) bilobata sp. nov.; M. (M.) centralis sp. nov.; M. (N.) orlovi lata subsp. nov.; M. (N.) o. khmerica subsp. nov.; M. (N.) brevispina sp. nov. Составлены ключи для определения подродов и видов Mega- diestramima s. l. и Mimadiestra, а также ключи для определения подродов родов Diestramima Stor. и Adi- estramima Gor. Восемь дополнительных новых таксонов из последних родов и рода Tamdaotettix Gor. описаны из Лаоса, Китая и Вьетнама: Baculitettix subgen. nov. и Excisotettix subgen. nov. в Diestramima s. l.; D. (B.) propria apicalis subsp. nov.; Hamatotettix subgen. nov. и Ulterotettix subgen. nov. в Adiestrami- ma s. l.; A. (Adiestramima) originalis sp. nov.; T. (Tamdaotettix) ailaoshanicus sp. nov.; T. (T.) minipullus sp. nov. Приведены также новые данные по распространению некоторых видов. Key words: rhaphidophorids, taxonomy, Indochina, China, Orthoptera, Rhaphidophoridae, Aemodogryl- linae, Diestramimini, new taxa Ключевые слова: пещерники, таксономия, Индокитай, Китай, Orthoptera, Rhaphidophoridae, Aemodogryllinae, Diestramimini, новые таксоны ZooBank Article LSID: urn:lsid:zoobank.org:pub:364F4B93-5028-4166-8526-AD48ED4CECD3 © 2019 Zoological Institute RAS and the Author(s) A.V. Gorochov & S.Yu. Storozhenko. Tribe Diestramimini from Southeast Asia. Part 2 Introduction chov, 1998; Adiestramima Gorochov, 1998; Mi- madiestra Storozhenko et Dawwrueng, 2014. The This paper is the second communication of an taxon Leodiestramima Storozhenko, 2009, origi- article on the taxonomy and distribution of the nally described as a subgenus in Megadiestramima tribe Diestramimini Gorochov, 1998 from the but later considered as a separate genus, is again Indo-Malayan rhaphidophorid subfamily Aemo- placed in Megadiestramima as one of its subge nera dogryllinae Jacobson, 1902. In the previous com- (Gorochov & Storozhenko, 2015). In the commu- munication (Gorochov & Storozhenko, 2015), nication cited, the key for these genera is also pub- the following genera of this tribe were consid- lished. ered: Tamdaotettix Gorochov, 1998; Gigantettix Gorochov, 1998; Diestramima Storozhenko, 1990; Genus Megadiestramima Storozhenko Adiestramima Gorochov, 1998. A new subgenus, et Gorochov, 1992 19 new species and two new subspecies were de- scribed in the latter paper. The present communi- Type species: Megadiestramima intermedia cation is devoted to the genera Megadiestramima Storozhenko et Gorochov, 1992, by original desig- Storozhenko et Gorochov, 1992 and Mimadiestra nation. Storozhenko et Dawwrueng, 2014 as well as some Note. This genus includes large representatives new taxa from the genera Diestramima, Adi- of Diestramimini having the following diagnostic estramima and Tamdaotettix. characters (see also the generic key in Gorochov The material studied (including holotypes & Storozhenko, 2015): in male, the posteromedian and paratypes of new species) are deposited at process of seventh abdominal tergite is more or less the following institutions: Zoological Institute of short (almost truncate or spine-like) and covering the Russian Academy of Sciences, St Petersburg only the proximal part of paraprocts from above (ZIN); Federal Scientific Center of the East Asia (Figs 1, 6, 11, 15, 21, 25, 29, 34, 58, 62, 66, 75); in Terrestrial Biodiversity, Far Eastern Branch of female, this process is smaller or almost undevel- the Russian Academy of Sciences, Vladivostok oped, usually widely rounded but sometimes tu- (EATB) [former Institute of Biology and Soil bercle-like or with a very small apical notch; each Science]; Kasetsart University, Bangkok (KUB); male paraproct is rather high, plate-like, having Thailand Natural History Musem (THNHM). a large rounded dorsal (dorsoproximal) lobe and To describe the location of spines and spurs on narrower ventroapical process or hook (Figs 2, 7, the tibiae and tarsi, a special “armament formula” 12, 16, 22, 26, 30, 35, 59, 63, 67, 72, 76); in female, is used here; this formula is sufficiently explained each paraproct less high, roundly triangular, and in the first communication of this article (Goro- with a small apical tubercle; the male genitalia chov & Storozhenko, 2015: fig. I). All the spec- have a few dorsal sclerites (one larger Y-shaped imens are dry and pinned; photographs of their sclerite and a pair of smaller ribbon-like sclerites; morphological structures were made with a Leica Figs 36–48) or only rudiments of such sclerites M216 stereomicroscope. The internet-catalogue (Fig. 49), but in some species, these genitalia lack Orthoptera Species File (Cigliano et al., 2019) is sclerites (Figs 51–57); female genital plate is rath- here cited as OSF. er diverse in shape (Figs 4, 5, 9, 10, 14, 18–20, 23, 24, 27, 28, 32, 33, 61, 65, 70, 73, 77, 78); ovipositor is long, narrow, barely curved upwards, acute at Systematics the apex, and lacking distinct drilling teeth or tu- Tribe Diestramimini Gorochov, 1998 bercles (Fig. 50). Megadiestramima contains 14 previously de- Note. This tribe is distributed in Indochina in- scribed and new species and subspecies which are cluding Malay Peninsula, southern part of China, distributed in Northern, Central and Southern Bhutan and eastern part of India. It includes six Vietnam, Central and Southern Thailand as well genera: Diestramima Storozhenko, 1990; Mega- as Cambodia. The genus is here divided into three diestramima Storozhenko et Gorochov, 1992; subgenera: Megadiestramima s. str.; Leodiestrami- Tamdaotettix Gorochov, 1998; Gigantettix Goro- ma Storozhenko, 2009; Neodiestramima subgen. ( Zoosystematica Rossica, Vol. 28, No. 1, pp. 132–154 133 A.V. Gorochov & S.Yu. Storozhenko. Tribe Diestramimini from Southeast Asia. Part 2 Figs 1–35. Megadiestramima (Megadiestramima): 1–5, M. intermedia Stor. et Gor.; 6–10, M. borealis sp. nov.; 11–14, M. abramovi sp. nov.; 15–20, M. extensa Gor.; 21–24, M. darevskyi Gor.; 25–28, M. bilobata sp. nov.; 29–33, M. vera Gor.; 34, 35, M. centralis sp. nov. Male abdominal apex without both ventral part and most part of cerci from above (1, 6, 21, 29), from above and slightly behind (11, 15, 25, 34), and from side (2, 7, 12, 16, 22, 26, 30, 35); posteroventral edge of posteromedian process of seventh abdominal tergite in male from behind (3, 8, 13, 17, 31); female genital plate from below (4, 9, 18, 19, 23, 27, 32) and from side (5, 10, 14, 20, 24, 28, 33). [1, 2, 4, 15, 16, 21–23, 29, 30, 32, after Gorochov & Storozhenko (1992) and Gorochov (1998, 2002), modified.] 134 ( Zoosystematica Rossica, Vol. 28, No. 1, pp. 132–154 A.V. Gorochov & S.Yu. Storozhenko. Tribe Diestramimini from Southeast Asia. Part 2 nov. It is necessary to note that Leodiestramima of posteromedian process of seventh abdominal was originally described as a subgenus in Mega- tergite; latter process moderately short and wide diestramima