. The Entomologist's record and journal of variation. DR Figs. 1-2: Neolobophora ensifer, male holotype, dorsal, and last tergiteand baseof forceps, lateral. Fig. 3: Obelura neolobophoroides, maleholotype, dorsal. Fig. 4: O. asiatica, male forceps, dorsal and lateralfrom Bormans, 1894) (DR=dorsal ridge). 313The Genera Syntonus Burr and Obelura Burr(Dermaptera : Forficulidae) By A. Brindle* The genera Syntonus Burr and Obelura Burr were eachbased on a single species, each with a holotype male. Duringa recent examination of these closely related types in theBritish Museum (Natural History) it wa
. The Entomologist's record and journal of variation. DR Figs. 1-2: Neolobophora ensifer, male holotype, dorsal, and last tergiteand baseof forceps, lateral. Fig. 3: Obelura neolobophoroides, maleholotype, dorsal. Fig. 4: O. asiatica, male forceps, dorsal and lateralfrom Bormans, 1894) (DR=dorsal ridge). 313The Genera Syntonus Burr and Obelura Burr(Dermaptera : Forficulidae) By A. Brindle* The genera Syntonus Burr and Obelura Burr were eachbased on a single species, each with a holotype male. Duringa recent examination of these closely related types in theBritish Museum (Natural History) it was noted that neither ofthes types, Syntonus neolobophoroides (Burr) nor Obeluratamul (Burr), have lateral longitudinal ridges, or keels, alongtheir elytra. This is notable since the keys in Burr (1910, 1911)use this character to separate these genera, as below (omittingmost other genera and modified): 1. Entirely apterous Sondax Burr - Elytra present 2 2. Elytra without a keel on the costal margin Syntonus Burr - Elytra with a keel on the costal mar
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