AMERICAN HYMENOPTERA. 157 



10. Glypta canadensis, n. sp. — 9- — Black, shining; liead and thorax with a 

 short, fine, pale pile; clypeus, mandibles, tegiilfe and palpi, rufo-testaceous ; 

 antennre yellowish-brown; legs, including coxse, reddish-yellow; posterior 

 trochanters, apical fourth of their femora, their tibire, except narrow pale an- 

 nulus at base, and their tarsi, black; wings hyaline, iridescent ; head, thorax 

 and abdomen closely and finely jmnctured ; face slightly prominent medially ; 

 pleura and metathorax sparsely punctured, polished, the latter rounded, with 

 prominent elevated lines; abdomen not strongly ]niuctured, the oblique lines 

 feebly impressed, obsoletely so on fourth segment; apical segments scarcely 

 sculptured; venter whitish; ovipositor as long as abdomen. Length 34 lines. 



Ilah. — Ontario, Canada. Easily distinguished by the tips of pos- 

 terior femora being broadly black, and by the feebly impressed oblique 

 lines on abdomen. 



17. Glypta virginiensis, n. sp. — 9- — Black, shining; clypeus, most of man- 

 dibles, palpi and teguhc, whitish ; antennce reddish-brown, fuscous above ; legs, 

 including coxai, reddish-yellow, two anterior pair paler in front; extreme tips 

 of posterior femora, spot near base of their tibife, their apices, and their tarsi, 

 except base of joints, blackish ; wings hyaline, iridescent, faintly yellowish ; 

 face minutely punctured, longitudinally prominent medially; mesothorax, pleu- 

 ra and sides of metathorax with close, distinct punctures; metathorax above 

 with scattered punctures, apex enclosed by a sharply defined arcuate carina; 

 abdomen very densely punctured, the median triangular space on second, 

 third and fourth segments, formed by the deeply impressed oblique lines, 

 smooth and polished, with scattered punctures only on the sides and anterior 

 corner; apical segments smooth and polished ; first segment rugulose laterally, 

 the disk minutely, longitudinally acieulato, the longitudinal carinse very pro- 

 minent at base, but obsolete at tip ; venter whitish; ovipositor as long as abdo- 

 men. Length 'i\ lines. 



Ilah. — \yest Virginia. Remarkable for the smooth and polished 

 triangular spaces on the abdomen. 



18. Glypta albomarginata, n. sp. — f.— Short, robust, black, shining, with a 

 short pale pubescence; ratiier broad entire orbits, clypeus, mandibles, palpi, 

 tegulje, line before, line beneath, two lines on mesothorax, dilated anteriorly, 

 lateral and apical margin of scutellum, line behind on postscutellum, narrow 

 apical margin of all the segments of abdomen and lateral margins of first seg- 

 ment, white; antennte brown at tips; wings hyaline, beautifully iridescent ; 

 flanks of metathorax, and legs, orange-yellow ; four anterior coxfe black, pale at 

 tips; dot at apex of posterior coxae, their trochanters, narrow anuulus on ape.\ 

 of their femora, tips of their tibia;, a space near their base, and their tarsi en- 

 tirely, black : extreme tips of their femora and base of their tibite, whitish ; 

 venter whitish; metathorax rounded, with distinct punctures; scutellum ele- 

 vated at apex, flattened above; legs short, robust; abdomen short, broad, ro- 

 bust, the segments short and transverse, the oblique lines tolerably well im- 

 pressed ; ovipositor about as long as abdomen, yellowish, lanceolate at apex, 

 sheaths black, with long pubescence, ajiex yellowish-red. Length 3 lines. 



Ilah. — Maine. Thi.s has the same form as G. scifula, described 

 above. 



TRANS. AMER. EST. SOC. (21) SEl'TEJIBER, 1870. 



