258 Professor Williston on the 



4. Platyura fasciventris, n. sp. (1^1. VIIL, fig. 11, wing.) 



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

 distal joints of the antennae 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. Coxee and femora light yellow ; tibise 

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

 as long as their tibise ; 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 antennas are about as long as 

 the dorsum of the thorax. 



CeRO FLATUS. 



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

 1792. 



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



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

 with yellow lateral spots. Length G mm. 



Face yellow, very narrow. Palpi and first two j^jints 

 of the antennse yellow ; remainder of the antennas dark 

 brown. Antennae 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 stiipes, 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 mesopleuroB, 

 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, cylindrical, 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. Coxas 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 



