26 CYRTIDAE OF NORTH AMERICA 



The holotype,amale,is No. 21207 in the United States National 

 Museum. 



Ocnaea loewi new species (Plate III, fig. 12.) 



Head Ijlackish brown, vertex lighter. Eyes black. Body dull yellow, 

 brownish in places. The face reduced to a small protuberant triangle, black 

 in color and very short. Mouth opening apparent; mouth-parts rudimentary 

 as in others of the genus and yellow in color. Eyes with rather long, yellowish 

 brown hair. First two joints of antennae short and brownish yellow, the 

 third joint except the brownish base, and club-shaped (see fig. 12b). The 

 inner side of the third joint with a yellow longitudinal stripe and with a few 

 short hairs at the tip. 



Thorax brownish yellow. A dark brown wedge-shaped mark on dorsum, 

 broad anteriorly and narrowing to a point a little beyond the center. On 

 each side of this, above the root of the wings is a dark brown spot of irregular 

 shape. Thorax with rather long golden yellow pile, blackish brown around 

 bases of coxae. Scutellum yellowish brown with yellow pile. 



■Abdomen very broad and brownish yellow in color, with yellow pile. Seg- 

 ments two, three, four and five with basal black bands which do not reach 

 margins; on third, fourth and fifth they are broader in the middle. Venter 

 brownish yellow, the first three segments mostly blackish, and as on the chest 

 (pectus) with thin gray pollen. Posterior margins of the first three segments 

 irregularly and narrowly yellowish. 



Legs quite strong and yellow in color. Tibial spurs brown and claws black. 

 Tip of last tarsal joint dark browni. Legs with short yellow pile. Wing 

 venation conforming to the general type. Anal cell very short petiolate. 

 Lower branch of third vein does not reach wing margin. Fifth posterior cell 

 closed in the margin, not long petiolate as in 0. schwarzi. The costal, sub- 

 costal, iparginal, most of submarginal and upper half of first posterior cell 

 thickly covered with minute hairs. This is an unusual thing in the Cyrtidae. 

 Length, 9 mm.; wing, 9 mm. 



Holotype, a female, in the Museum of Comparative Zoology at 

 Cambridge. The specimen is labelled " Loew " and with a square 

 orange label, which denotes that it was collected in Texas. This 

 species must be near 0. micans Erichson. 

 Ocnaea coerulea new species (Plate IV, fig. 14.) 



Head black and very short (see fig. 14a). Eyes thickly black pilose. Palpi 

 yellow with yellow hair. Antennae blackish brown, the third joint ver^^ long 

 and grooved or hollowed out on the outside as in 0. schwarzi (see fig. 14b). 



Thorax, scutellum, pleura and coxae thickly covered with silky, yellowish 

 gray, erect pile. Thorax and abdomen very dark metallic blue, almost black. 

 Pleura and coxae brownish black with a purplish luster. Fore coxae marked 

 with yellow. The humeral callosities yellow and some brownish yellow color 

 on the pracscutellar callosities. Hind margin of scutellum yi^llowisli. 

 Squamae hyaline, with whitish yellow pile and yellow brown margins. 



