THE SMALLER WATER STRIDERS. 



1001 



Dunedin, Fla., April 17 ; one specimen from a bunch of weed 

 roots on the margin of Jerry Lake, the first record for the 

 State (W.S.B.). District of Columbia, Oct. 26— Feb. 25; 

 sifted from old leaves (Davis). Described from Pennsylvania. 

 Known also from Ohio, North Carolina and the West Indies. 



1139 (_). Velia watsoni Drake, 1919b, 1. 



Form and size of stagnates. General color dark brown; legs yellow, 

 the femora and tibiae each with the knees and a ring at middle, brown; 

 tarsi and apical third of tibia? also in great part brown. Female with 

 posterior half of pronotum and connexivum in part dull yellow. Male 

 with a yellow spot on the front half of each of the last three connexivals. 

 Head as in stagnates, the impressed median line very evident; antennae as 

 in key, the basal joint longer and much stouter than the others, distinctly 

 curved. Disk of pronotum with a median lengthwise carina, coarsely 

 punctate, a distinct tubercle each side above the middle. Sides of abdo- 

 men parallel; connexiva strongly reflexed; first and second dorsals each 

 with two carina?. Length, 4 — 5 mm. 



Gainesville, Fla., July 28 (Barber). Taken in numbers by 

 Drake from stagnant water in an old swamp near Gainesville. 

 Recorded also from New Jersey and Kansas. 



1140 (1314). Velia brachialis Stal, 1860, 82. 



Oblong, much stouter than our other species. Color of winged form 

 a nearly uniform brown or brownish-yellow, densely clothed with a fine 



velvety pile ; posterior portion of 

 pronotum and sides of pleura and 

 ventrals, darker; a triangular 

 spot behind each apical angle of 

 pronotum, and a small one on 

 each incisure of connexivum, sil- 

 very white; coxae, trochanters, 

 tarsi, lower surface and base of 

 femora, and rings on apical half 

 of femora and near middle of 

 tibia?, yellow; corium with a nar- 

 row submarginal white line on 

 basal third ; membrane dark 

 brown with three white subapical 

 spots, the front or median one 

 cordate, the others smaller and 

 rounded. Head with a fine median 

 impressed line. Joint 1 of anten- 

 na? stout, curved, nearly twice as 

 long as 2; 2 and 4 subequal, 3 

 slightly longer than either. Prono- 

 tum with a preapical transverse row of fine punctures in front of a 

 smooth area, behind this the greater portion of disk coarsely punctate 

 and with a fine median longitudinal carina; humeral angles rounded, 



Fig. 200, X S. (Original I 



