ISO [January 



longitudinal lines, the middle one abbreviated behind, the extreme late- 

 ral one abbreviated before; tegulae piceous. Wings subhyaline, faintly 

 tinged with fuscous, iridescent; nervures blackish. Legs green, pu- 

 bescent, the tibiae and tarsi piceous. Abdomen subglobose, broader 

 behind, deep blue, tinged with green and purple when viewed in cer- 

 tain lights, closely and rather deeply punctured, the punctures becom- 

 ing coarser and somewhat rugose towards the tip, which is slightly in- 

 curved and clothed with a thin pale pubescence ; venter pubescent. 

 Length 8 lines ; expanse of wings 5 lines. 



Collection. — Ent. Soc. Philad. One specimen. 



Genus NOMADA. Fabr. 

 Nomada cubensis. n. sp. 



Piceous-black ; face, orbits, cheeks, mandibles, base of antennae, collar, tu- 

 bercles, tegulse. large mark on pleura, scutellum, two spots on metathorax, 

 most of legs, and three bands and four spots on abdomen, yellow : wings sub- 

 hyaline, fuscous at tips. 



Female. — Piceous, closely punctured, slightly pubescent; face, orbits, 

 and mandibles except tips, yellow; clypeus and labrum, dull ferrugi- 

 nous ; antennae fulvous above, yellowish-fulvous beneath. Thorax 

 opaque, coarsely punctured, somewhat rugose ; collar, tubercles, tegulae, 

 and a large subquadrate mark on pleura, yellow; the pleura beneath 

 tinged with dull rufous, with two round, obscure ferruginous spots be- 

 fore the middle coxae ; scutellum entirely yellow, subbilobate, somewhat 

 prominent, with a small yellow spot on each extreme basal corner; 

 postscutellum with a transvere yellow line; metathorax with a large, 

 subovate, yellow mark on each side behind. Wings fusco-hyaline. 

 darker at the extreme apex ; nervures dull ferruginous, stigma yellow- 

 ish. Legs yellow ; the coxae, except a spot beneath, the trochanters 

 and the femora, more or less tinged with fuscous; apical joints of 

 tarsi dusky. Abdomen short, ovate, polished, pale piceous, very mi- 

 nutely and closely punctured; first and second dorsal segments with a 

 rather broad, median, yellow band, attenuated on the middle anteri- 

 orly; on each side of the third and fourth segments, a yellow spot; 

 the fifth segment almost entirely yellow ; apical segment truncate at 

 tip and densely pubescent; beneath pale piceous, pubescent, the third 

 segment with a broad, continuous, yellow band. Length 3| lines; 

 expanse of wings 6] lines. 



Male. — Resembles the female, but is piceous-black, with the yellow 

 markings brighter; the clypeus and labrum are yellow ; the antenna' 

 are obscure fulvous, paler beneath, with the basal joint beneath tinged 



