58 
THE LAMPYKIDiE OF BORNEO. 
9. Ototreta gravida, Ern. Oliv.—Wholly fuscous. 
10. Ototreta varicornis, Ern. Oliv. — Brownish; base of 
the elytra and last article of the antennae 
yellow. 
11. Ototreta albicornis , Ern. Oliv.—Thorax and scutellum 
fuscous; elytra yellow, with their tips narrowly 
black; last article of the antennae pale yellowish. 
(Genus doubtfully placed among the Lampyridce , perhaps 
better with the Drilidce.) 
1 . Hind angles of the thorax ivithout impression. 
T . Antennce scarcely longer than the head. 
1". Thorax with diaphanous areolets. 
12. Diaphanes moultoni , Ern. Oliv.—Thorax, scutellum, 
and body testaceous; elytra fuscous with the 
suture and lateral margins very narrowly pale 
testaceous; margins of the thorax elevated in 
front. 
1". Thorax ivithout diaphanous areolets. 
18. Lamprophorus hoyei , Motsch. — The largest of the 
family; elytra brown; thorax brown with tes¬ 
taceous margins, wider in front, narrow at the 
base. 
1 '. Antennce longer than the head. 
a. The tip of the elytra in male folded down. 
14. Pteroptyx decolor, Ern. Oliv. — Eyes and antennae 
fuscous; body wholly pale yellow; front of the 
thorax straightly truncate. 
15. Pteroptyx testaceum , Motsch.-—Eyes, antennae, palpi 
and tarsi, fuscous ; the whole body pale testace¬ 
ous ; front of the thorax sinuously produced. 
16. Pteroptyx validum , Ern. Oliv.—Yellow ; head, antennae, 
tarsi and tip of the elytra black. 
