172 PROCEEDINGS OF THE ACADEMY OP 



mouth, broad orbits, cheeks, scape beneath, broad annulns near 

 apex of flagellum, most of posterior tarsi and spot at apex of 

 abdomen, white ; remainder of thorax, most of legs, first abdomi- 

 nal segment except apex and band at base of tliird segment 

 broadly dilated laterally, pale hone3'-yellow ; scntelliim above, 

 basal suture of metatliorax, posterior tibise except base, and base 

 and apex of their tarsi, black or blackish ; mesotliorax with two 

 pale spots on disk; wings hyaline, nervures black; four anterior 

 legs pale yellow, their coxaj whitish. Shining ; head broad, sub- 

 buccate; antennas long; thorax robust; metathorax opaque, with 

 two transverse carinae, the posterior one interrupted mediallv, no 

 tubercles or spines ; wings ample, areolet 5-angular, outer nervure 

 h3aline; abdomen long, very slender at base, the first segment 

 squarely dilated at tip. Length 5| lines. 

 Orizaba. 



6. Hemiteles ingenuus, n. sp. 



9. Head, antenn;\i and abdomen black; thorax and legs fer- 

 ruginous ; anterior orbits, clypeus, spot on clieeks, broad annulus 

 on antennae interrupted beneath, collar, dot beneath tegulae, spot 

 behind base of wings, metathoracio tubercles, anterior coxae, base 

 of posterior tibiae, most of their tarsi, apical margins of first six 

 abdominal segments interrupted mediall}' on fifth and sixth, and 

 the seventh segment entirely, white ; base of trochanters, apex 

 of posterior femora, their tiliiae, and base and apex of their tarsi 

 black; wings hyaline, faintly dusk}'^ at apex. Opaque; meta- 

 thorax finely rugulose, tul)ercles prominent and subacute ; ab- 

 domen long and slender, shining at tip ; areolet as usual. Length 

 4:^ lines. 



Orizaba. 



7. Hemiteles adjicialis, n. sp. 



9. Head, thorax, and legs ferruginous; abdomen and antennae 

 black; oi'bits, spot on clypeus, broad annuhis on antennae inter- 

 rupted beneath, collar, spot beneath teguhi?, dot in front, spot on 

 scutellum, spot behind base of wings, metathoracio tubercles,, dot 

 on each flank, dot on posterior margin of pleura, four anterior 

 coxa? above, spot on posterior pair above, base of posterior tibiif, 

 their tarsi, broad apical margins of first, second, and third abdomi- 

 nal segments, and the two apical segments entirel3^, white ; tcgulre 

 black, with a white spot anteriorly; scape reddish; posterior 



