452 PROCEEDINGS OF THE ACADEMY OF [1899. 



Eumenes globicollis Spin. 



Mararu, April; Santarem. Three specimens. These differ 

 from the allied species in the collection by the shining impunctate 

 abdomen. The thorax is almost square. 



Enmenes gracilis n. sp. 



9. — Black; spot between antennae, in the eye-emargination, 

 hind orbits above, posterior margin of pronotum medially, anterior 

 margin of scutellum and postscutellum sometimes, anterior tibije 

 in front and line on segments 1-6 apically, yellow; antennae 

 beneath, pronotum posteriorly (sometimes anteriorly), two obscure 

 spots on middle segment, and spot on petiole near base, reddish; 

 body tolerably pruinose wdth pale pile, that on head in front, and 

 thorax on sides and posteriorly, silvery; front with large, well-sep- 

 arated punctures, not impressed; ocelli forming a gently curved 

 line; clypeus convex, longer than broad, sparsely punctured, 

 terminating in two short approximate teeth (the head is not so 

 much broader than long as in allied species) ; thorax longer than 

 broad, with strong, deep, separated punctures, those on middle 

 segment widest apart and more regular; pronotum with a distinct 

 medial surface, margined anteriorly; punctures of dorsulum 

 largest posteriorly; scutellum not impressed; middle segment but 

 slightly depressed posteriorly; petiole very long and slender, longer 

 than head and thorax, graduall}' enlarged from a point behind 

 middle, impunctate, transversely depressed before apex; remain- 

 der of abdomen impunctate; wings dark subhyaline, darker along 

 costa; nervures and stigma black. Length 7 mm. 



Santarem. Two specimens. The long slender petiole, smooth 

 abdomen, deep pieve-Uke punctures of front and thorax, and 

 small size distinguish this species. 



Eumenes fornicata n- sp. 



^. — Black; with pale sericeoiis pile, that on face and clypeus 

 dense and silvery; spot behind insertion of antennse, line in the 

 eye-emargination, line on hind orbits above, spot on pronotum 

 anteriorly at each side (sometimes absent), its posterior margin, 

 narrow line at apex of petiole, and a broader one before the apex 

 of segments 2-6, yellow, these latter segments brownish testaceous 

 at apex; flagellum beneath, except medially, and tibije and tarsi 

 more or less especially those of the four anterior legs, reddish; 



