258 Professor Williston on the 



4. Platyura fasciventris, n. sp. (PI. YIIL, fig. 11, wing.) 



$ . Head and basal joints of the antennae reddish-yellow, the 

 distal joints of the antennas black or brownish -black ; the oval 

 ocellar spot black. Front broad, the orbits emarginate. Thorax 

 reddish-yellow ; the dorsum red, with four brown stripes, sometimes 

 feebly marked or obsolete. Abdomen red, or reddish-yellow, with 

 a black band of variable width at the posterior part of each seg- 

 ment ; venter yellow. Coxae and femora light yellow ; tibiae 

 yellow, the tarsi brownish ; tibiae without spines ; metatarsi about 

 as long as their tibiae ; all the tibiae with a single terminal spur. 

 Wings uniformly brownish ; anterior branch of the third vein 

 oblique, terminating in the costa. Length 5-6 mm. 



Three specimens. The antennge are about as long as 

 the dorsum of the thorax. 



Ceroplatus. 



Bosc, Actes de la Soc. d'Hist. Nat. de Paris, i., 1, 42, 

 1792. 



1. Ceroplatus longimanusy n. sp. (PI. VIIT., fig. 12, wing.) 



$ . Mesonotum with yellow and black stripes. Abdomen black, 

 with yellow lateral spots. Length 6 mm. 



Face yellow, very narrow. Palpi and first two joints 

 of the antennae yellow ; remainder of the antennae dark 

 brown. Antenna about as long as the dorsum of the thorax. 

 Front narrow, the sides gently convex, black, except on the lower- 

 most portion ; the two large ocelli about equidistant from each 

 other and from the margins of the eyes. Occiput black. Thorax 

 yellow ; the dorsum with three broad black stuipes, enclosing two 

 narrow yellow stripes, which are convergent posteriorly ; the 

 median stripe enclosing a slender yellow stripe, which does not 

 reach beyond the middle ; a large rounded spot on the mesopleurae, 

 another below it on the mesosternum, and the sides of the meta- 

 notum, dark brown or black, the middle of the metanotum 

 brownish ; scutellum brown. Abdomen slender, cyliudrical, dark 

 brown ; each segment, save the first and last, with an elongate 

 yellow spot on each side, reaching two-thirds of the way to the hind 

 margin ; genital organs yellow. Coxae light yellow, the hind pair 

 with a brown spot ; femora yellow, the base of the middle and 

 hind pairs brown ; tibiae yellowish-brown ; tarsi brown ; no bristles 

 on the front femora ; front metatarsi about two and a-half times 



