no. 2378. 



ASHMEAD'S PARASITIC CYNII'IDAE—WELD. 



445 



ZAEUCOILA UNICARINATA Ashmead. 



Zaeuroihi unicarinata Ashmead, Proc. Ent. Soc. Wash., vol. 5, 1903, p. 222 

 (sine desc). — Dalla Torre and Kieffer, Das Tierreich, lief. 24, 1910, p. 

 103. 



Zaeucoela unicarinata Ashmead, Psyche, vol. 10, 1903, pp. 66, 71. 



Male. -Black, legs and flagelhim piceous. Head as broad as 

 thorax, with scattered setigerous punctures on polished face, inter- 

 ocular space 0.45 transfacial and area 0.8 as broad as long, malar 

 space less than half eye and with striate line to mouth, eyes bare, 

 cheeks margined, occiput 

 concave, antennae 15-seg- 

 mented, third slightly bent, 

 in balsam slightly longer 

 than fourth, rest ellipsoidal, 

 twice as long as broad, the 

 last slightly longer than 

 preceding. Pronotum 

 truncate, truncation 0.6 

 transfacial, arcuately emar- 

 ginate above. Mesoscutum 

 0.6 as long as broad, with- 

 out parapsides, polished, a 

 low smooth but distinct 

 median ridge tapers grad- 

 ually from front margin to 

 a point at or near scutellum, 

 two short grooves just 

 above fore wings. Scutel- 

 lum nearly as long as 

 mesoscutum, w i t h two 

 transverse pits at base, cup 

 large, 0.69 width of disk, 

 oval, surface slightly con- 

 cave with a depression in center surrounded by 6-7 punctures, disk 

 rugose, rounded behind. Carinae on propodeum slightly bent out- 

 ward, converging to a polished median area above the foramen. 

 Mesopleura smooth, separated from sternum by a carina, trav- 

 ersed by a longitudinal carina. Wing with heavy veins about the 

 short closed radial cell, which is 1.6 times as long as broad, cell to 

 wing ratio 1:4.5, first cubital cell and course of median vein slightly 

 clouded, surface pubescent, margin ciliate, reaching beyond tip of 

 abdomen. Abdomen longer than broad, slightly shorter than 

 thorax, normally compressed, only second tergite visible, with 

 hairy ring at base. 



Length, 1.3 mm. Wing, 1.5 mm. Antenna, 1.68 mm. 



Fig. (5.— Details of Zaeucoii.a unicarinata Ashmead. 



