372 ICHNEDMOSL1WE. 



Reliquis minor. Caput totum flavum nntennis solis nigris. Ahr 

 totae hyalinae. Abdomen breve, trum-atum." (Fabricius.) 



Olivier (loc. cit.) simply copies the short diagnosis of Fabricius, 

 given above, adding only that the species is smaller than Ophion 

 pennator, F. ; that the antennae are black ; the head and remaitider 

 of the body flavous ; the abdomen short and truncate ; the wings 

 entirely transparent : and that it is found in the " East Indies." 

 To this Thunberg adds nothing. It is certainly not an OpJiion in 

 the present acceptation of the genus ; possibly it is to be sought 

 among the POBI/ONIDES. 



"Habitat in India oriental]'. Dom. Daldorff, Mus. dom. do 

 Sehestedt." Fab. 



" Bred from Noctua pcrttatria by Vallot." Dcitta Torrt. 



OpMon trianqularemacnlatus, Motschulskv, Bull. Soc. Nat. Moscou, 

 1863, p. 80 ( rf et ? $ ). 



209. Option trir ngularemaculatus, Mots. 



Ophion triatigularetnacidatus, Motschulsl 

 1863, p. 80 ( rf et ? $ ). 



A slender, narrow^ and shining species. Head subdeplanate, 

 strongly nitidulous and black, with the eyes large, convex and 

 iufuscate; ocelli very distinct. Antenna? blackish, basally pale 

 testaceous and a little shorter than the body, with the basal joint 

 ovately inflated and the second very short, subtrausverse. Thorax 

 black, elongate, attenuate and narrower than the head : megonotum 

 subglobose, glabrous and longitudinally impressed obliquely on 

 either side ; metanotum obtuse. Abdomen subparallel-sided, black, 

 with a triangular pale testaceous discal mark on each of the three 

 central segments ; basal segment elongate, subclaviform ; anus 

 compressed and hardly dilated. Legs pale testaceous, with the 

 hind tibia? infuscate, their tarsi black, and their femora sub- 

 incrassate. Wings with stigma and nervures black. 



Length 4 mi Him. 



CEILOS : Nuwara Eliya and Mt. Patannas (Motschulsl-y'). 



Its author adds that the breadth of the head is a third of 

 a line ; and indicates what he considers may be the female, 

 differing in having the apices only of the abdominal segments 

 with testaceous margins. It is certainly not here placed in its 

 correct genus, which is impossible of determination from the 

 inadequate description. 



Genus PLEURONEUEOPHION, Aslun. 

 PlfurmeurojMon, Ashmead, Proc. U.S. Nat. Mus. 1900, p. 86. 



Labrum of normal length ; ocelli not small. Internal cubital 

 nervure sharply' geniculate ; nervelet distinct ; first cubital cell 

 with no corneous marks ; radius incrassate, and not bisinuate, 



