170 [June 



truncate in front, with a deep puncture on each side ; its apical two- 

 thirds, as wfell as the mandibles, blackish ; palpi dusky ; eyes promi- 

 nent j antennae as long as the body, fuscous, the base of the 3 or 4 

 basal joints rufous, the 9th to 13th joints white, basal joint beneath 

 entirely rufous. Thorax densely punctured, dull rufous, tinged with 

 brown, the incisures blackish; the dorsal lines scarcely impressed; a 

 dot before and a line beneath the anterior wings, yellow ; scutellum 

 flattened, pale yellowish-white, polished, the space on each side black- 

 ish, as well as the postscutellum except a small rufous spot beneath the 

 scutellum ; metathorax densely punctured, pale rufous, tinged laterally 

 with yellowish, the elevated lines tolerably well defined, the central 

 area large and subquadrate, the lateral tubercles strongly developed 

 and subacute, the incisure at the base of the posterior coxse and abdo- 

 men, black. Wings subhyaline, faintly tinged with fuscous ; nervures 

 and stigma pale fulvous; areolet large, 5-angular. Legs rufous, ex- 

 treme tips of the posterior femora, apical half of their tibijB and the 

 basal and apical joints of their tarsi, black. Abdomen short, ovate, 

 flattened above, shining at tip; basal segment longer than the second, 

 strongly arcuated, flattened, broad at tip, somewhat bilineated ; basal 

 fovene of the second segment rather large and deep ; extreme apical 

 segment obsoletely tinged with yellowi.sh ; ovipositor black, exserted 

 about one line. Length 5 lines ; expanse of wings 8^ lines. 



Hab. — Virginia. Dr. Thos. B. Wilson. 



Resembles Ich. vicinus, but is more robust, and is at once distin- 

 guished from that species by the prominent tubercles on the meta- 

 thorax. 



52. Ich. annulipes. n. sp. 



Rufous, the thorax blackish ; antennse with a white annulus ; scutellum yel- 

 low ; wings clear; central area of metathorax obsolete; tibiae with a yellow 

 baud. 



Female. — •Yellowish-rufous, finely punctured, shining ; palpi pale 

 yellowish ; antennae half the length of the body, involute, blackish, the 

 9th to 14th joints white, basal joint robust, rufous. Thorax blackish, 

 the disk of the mesothorax and a sutural line before the wings rufous ; 

 tegulfe and a short line beneath the wings yellowish ; scutellum flat, 

 polished, yellow, with a transverse yellow spot behind it; metathorax 

 densely punctured, deeply impressed behind, black, the posterior angles 



