400 PROCEEDINGS OP THE ACADEMY OF 



quadrate, the disk transversely elevated ; ovipositor as long as 

 abdomen, exserted from the extreme tip, robust, sheaths densely 

 l)ilose. Length 3 lines. 

 Orizaba. 



7. Pimpla semisanguinea, n. sp. 



J. IJlack; clypeus brown, the base and apex, and also the 

 palpi, pale yellow; anteniife l)rown-black, paler at base beneath; 

 basal half of tegulge, elevated spot beneath, scutelhun and post- 

 scutellum, the four anterior coxae and trochanters, a spot at the 

 base of the posterior coxae, pale yellow ; thorax clothed with a 

 very short, fine, pale, sericeous pile, especially dense on the sides 

 of the metathorax; wings h3^aline, nervures and stigma brownish ; 

 legs yellowish-fulvous, the posterior pair somewhat ferruginous ; 

 abdomen dull ferruginous, ovipositor black. Clypeus transversely 

 excavated, eyes large; antennae as long as the body, slender, 

 thread-like; metathorax transversel}^ striated, abruptly truncated 

 behind; abdomen finely granulated, smoother at apex; ovipositor 

 about half the length of the abdomen. Length ^f lines. 



Orizaba. (Sumichrast, No. 33.) 



8. Pimpla Sumiclirasti, n. sp. 



9. Lemon-yellow; tips of mandibles and spot on each side of 

 ocelli, antennae, except scape beneath, three broad lines on meso- 

 thorax, base and apex of scutellum, apex of postscutellum, a nai*- 

 row undulate line at base of metathorax, and a large spot on its 

 posterior face, wedge-shaped mark on four posterior coxae, tips of 

 posterior tibiae and of all the tarsi, transverse spot near base of 

 first segment, its extreme apical margin, basal margin of second 

 and three following segments, broad on the second and third and 

 very narrow on the fifth, the sixth and seventh segments entirel}-, 

 except the extreme sides, and the ovipositor and sheaths, black ; 

 legs tinged with fulvous, middle of posterior femora, and tips of 

 intermediate tibiae within, stained with fuscous ; wings 3'ellowish- 

 hyaline, with a large violaceous-black macula at tip of marginal 

 cell, nervures and stigma fulvous. Anteiinai long, slender, thread- 

 like, basal joints of flagellum ver}' long; mesothorax slightly tri- 

 lobed ; metatiiorax striated across the middle, smooth at base, 

 abruptly truncated at tip ; wings ample, areolet triangular ; legs 

 robust ; abdomen of the usual form, sessile, depressed, closely 

 and deepl}' punctured, first segment, base of second, and the two 



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