THE WHERRYMEN OR WATER STRIDERS. 985 



with only a few hairs on inner margin near apex. Middle tibia? and hind 

 femora of male as in key. Apical third of hind tibiae with a distinct 

 spine on outer side, the space between the spine and apex beset with a 

 thick tuft of rather long hairs. Length, 2.5 — 2.7 mm. 



Described from Bainbridge, Ga. Not recorded elsewhere. 



V. Trepobates Uhler, 1894a, 213. 



Short, robust species having the head short, declivent in 

 front, the interocular area equal to width of eye; beak short, 

 reaching mesosternum ; joint 1 of antennae longest, 2 shortest, 

 4 slightly longer than 3 ; pronotum, wingless form, wider than 

 long, concave at middle, its front and hind margins truncate ; 

 mesonotum subquadrate, about twice as long as pronotum, its 

 hind margin truncate ; metanotum in part visible ; abdomen 

 short, conical, the connexiva strongly reflexed ; middle and hind 

 legs very long, but shorter than in Metrobates, front tarsi 3- 

 jointed, hind ones 1-jointed. Male with genital plate convex, 

 very short; female with apex of last ventral truncate. One 

 species is known. 



1123 (1296). Trepobates pictus (Herrich-Schaeffer), 1848, 111. 



Wingless form — Oblong, male; oblong-oval, more robust, female. 

 Color above black and yellow, the markings very variable; head usually 

 with a median black stripe, enclosed on sides and 

 base by a yellow one; disk of pronotum with 

 either three short stripes or two longer wider 

 ones, the middle black; mesonotum largely black, 

 usually with an oval yellow spot each side, some- 

 times with two yellow stripes, each enclosing a 

 black one; abdomen with dorsals usually in part 

 yellow; connexivals each with a yellow spot; an- 

 tennae and beak black, the first joint of each yel- 

 low at base; femora yellow streaked with black; 

 tibiae and tarsi fuscous-black; under surface a 

 nearly uniform yellowish-white. Winged form— 

 Fig. 197, x 5. Pronotum and elytra dark brown, the former with 



(After Uhler i. a sma n anteapical spot, a stripe each side and 



the hind margin yellow; inner wings and legs in great part brown. Pro- 

 notum prolonged backward, its hind portion broadly triangular with 

 apex narrowly rounded. Elytra surpassing abdomen by one-half the 

 length of membrane. Other structural characters as under generic 

 heading. Length, 3.8 — 4.5 mm. (Fig. 197). 



Marion and Putnam counties, Ind., Sept. 16 — 28 ; common 

 in the former on the canal and in the small bays of White 

 River; often in company with Metrobates hesperius and Rhagovelia 

 oriander. Gualan, Guatemala (Bueno). Plummer's Island, Md., 



