. Bulletin of the British Museum (Natural History) Entom Supp. 12 A. WATSON Key to Species-groups and to the Species e/ulena Males i Fore wing venation as in Text-fig. 3. Male genitalia ( Text-figs, 9, io, 17, 19) : valves without basal process ; diaphragma strongly concave but not extended anteriorly above saccus ; eighth sternum with long, curved, paired posterior processes ........ species-group strandi (p. 12) - Fore wing venation as in Text-fig. 1. Posterior processes of eighth sternum ahort ( Text-figs. 32, 59. 66, 73) 2 2 Male genitalia : vinculum produced posterolaterally on ei
. Bulletin of the British Museum (Natural History) Entom Supp. 12 A. WATSON Key to Species-groups and to the Species e/ulena Males i Fore wing venation as in Text-fig. 3. Male genitalia ( Text-figs, 9, io, 17, 19) : valves without basal process ; diaphragma strongly concave but not extended anteriorly above saccus ; eighth sternum with long, curved, paired posterior processes ........ species-group strandi (p. 12) - Fore wing venation as in Text-fig. 1. Posterior processes of eighth sternum ahort ( Text-figs. 32, 59. 66, 73) 2 2 Male genitalia : vinculum produced posterolaterally on either side into heavily sclerotized, trifurcate, claw-like structure ; uncus absent . . efulena (p. 45) - Male genitalia ; vinculum without trifurcate structures posterolaterally ; uncus present ............. 3 3 Male genitalia : heavily sclerotized, curved, acuminate process present at base of valve ; pouch-like diaphragma extended anteriorly above saccus ; uncus without sacs ......... species-group erosa (p. 28) - Male genitalia : without valve process ; diaphragma nearly flat ; each lobe of uncus with invaginate sac ...... species - group seydeli (p. 43) Species-group strandi Diagnosis. Fore wing venation as in Text-fig. 3. Hind wing as for erosa (Text-fig. 2). o* genitalia : each lobe of uncus with beak-like, medial process ; valve broad and flattened, divided in strandi ; diaphragma concave ventrally ; aedeagus lipped or spined at apex ; eighth sternum with stout apodemes and long, curved, posterior processes, often not bilaterally symmetrical ; eighth abdominal tergum with short apodemes. $ genitalia : signum cordate, ovate or TYMPANUM 4 Fig. 4, Epicampoptera strandi glauca, ventral view of left side of second abdominal segment, 6*. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original British Mu
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