146 PROCEEDINGS OF THE ACADEMY OF 



apical segments. Form slender, smooth and shining ; mctathorax 

 and pleura unusually pubescent ; frontal spine long and acute; 

 metathoracic spines rather obtuse; antennie ver3Mong, slender ; 

 areolet minute, closed ; abdomen very slender, subcylindrical. 

 Length 5^ lines. 

 Orizaba. 



9. Polycyrtus reliquus, n. ?p, 



% . Black ; face, clypeus, labrum, spot on mandibles, orbits 

 broad on cheeks, palpi, broad annulus near apex of antennre, col- 

 lar above, line on each side before tegula?, spot on disk of meso- 

 thorax, two spots before scutellum, tegulw, transverse spot be- 

 neath, spot on scutellum, another on postscutellum, pleura beneath 

 and a large oblique mark on each side, 3'ellowish-white ; mcta- 

 thorax yellowish-white, with three black stripes, the lateral ones 

 confluent at base, the central one abbreviated anteriorly ; wings 

 h3'aline, iridescent, apex faintly dusky, nervures black; legs yel- 

 low, coxiB yellowish-white, the two posterior pair with a black 

 stripe ; four anterior femora above, the posterior pair on the out- 

 side and witiiin, base of their tibire and tips of all the tarsi, black ; 

 abdomen black, first segment except large spot before apex, aj^ical 

 margin of all the remaining segments, and large transverse spot 

 at base of second segment, white. Shining; mesothorax pitted; 

 metathorax transversely rugose, without tubercles or spines ; t\h- 

 domen long and slender, smooth and shining ; antenna? as long 

 as body ; frontal horn long and acute ; areolet ver}^ minute, 

 closed. Length 6^ lines. 



Orizaba. 



10. Polycyrtus copiosus, n. sp. 



9. Head; antenna?, prothorax and mesothorax bla(Jv ; middle 

 of face, orbits interrupted behind, cl^'peus, spot on mandibles, apex 

 of frontal horn, broad annulus on antenna?, collar, line on each 

 side before teguhie, two oblique lines before scutellum, teguhv, apex 

 of scutellum and slender lines leading to base of wings, white ; 

 pleura, metatliorax and legs lutcous ; metathorax often more 

 or less dusky from the base to spines ; four anterior tarsi blackish, 

 posterior trochanters and femora more or less duskj' above, their 

 tibia? shading into yellow, and their tarsi paler ; wings hyaline, 

 nervures fuscous; first abdominal segment dull luteous, darker 

 towards apex which is white ; basal half of second and third seg- 



