The dragonflies (Odonata) of Burma and Lower Siam.—II. Subfamilies Cordulegasterinae, Chlorogomphinae, and Gomphinae

Abstract

In an effort to select a nomenclature for the wing veins that would meet with the approval of students in this countr3^, at least, an exten-

Odonata of Guangxi Zhuang Autonomous Region, China, part II: Anisoptera

“…Remarks: If Asahina's (1996) description of acco is compared with Williamson's (1907) original description and drawings of xanthenatus it would appear unlikely that acco belongs to this taxon. The superior appendages of nominate subspecies are very different in style and do not possess a stout ventral spine.…”

“…Chao (1999) created the subgenus Paradavidius, with D. fruhstorferi as the type species, to accommodate those species of Davidius with, inter alia, thoracic dorsal stripe connected to the collar stripe. Williamson, 1907 Gomphidia abbotti Williamson.-Fraser (1934: 385-386, Thailand, Burma). Gomphidia abbotti abbotti Williamson.-Lieftinck (1948: 261-266 Lamelligomphus came/us (Martin, 1904) Lamelligomphus came/us (Martin).- Chao (1990: 353-354, Fujian;-Wilson & Reels (2001: 189, Hainan).…”

Burmagomphus schneiderisp. nov., a new dragonfly from the south of Vietnam (Odonata: Gomphidae)

“…The first member of the genus, Burmagomphus vermicularis was described by Martin (1904) in the genus Gomphus. Burmagomphus was erected by Williamson (1908) for specimens collected from Myanmar (Burma) and misidentified as vermicularis (misspelled as vermiculatus by Williamson), which was made the generotype. Fraser (1926) showed that the Burmese specimens are a distinct species but gave it the preoccupied name williamsoni; Lieftinck (1940, p. 111) renamed it B. arboreus.…”

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“…The only other record is from a pair from Bhamo, Burma (Williamson 1907). As it is unlikely that O. saundersii belongs to Onychogomphus sensu stricto and the shape of the appendages fits the description of Carle (1986) we transfer Onychogomphus saundersii to Nychogomphus saundersii comb.…”