438 PROCEEDINGS OF THE ACADEMY OF [1899. 



tured, pyriforra, bicarinate apically, the carinse terminating in 

 sharp teeth separated by a notch; thorax except scutella and 

 middle segment impunctate ; pronotum margined ; middle segment 

 broadly and shallowly channelled, Avith rather strong distinct 

 punctures except on sides which are nearly smooth ; petiole cam- 

 panulate, about as long as that portion of thorax posterior to 

 dorsulum, with tolerably strong separated punctures, furrowed 

 transversely before apex and above with a broad shallow, rather 

 indistinct furrow; remainder of abdomen elongate-ovate, above 

 densely punctured, beneath almost impunctate; wings on basal 

 half blackish with purplish reflection, apically subhyaline; stigma 

 brownish. Length 15 mm. 



Corumba, April. One specimen, 



Eumenes testacea n. sp. 



cf. — Testaceous yellow, the first and second segments except 

 apices, brownish ; flagellum reddish ; a semicircular mark on vertex 

 terminating at each side at a point opposite the eye-emargination 

 and curving backward so as to include the hind ocelli, and being 

 connected by a narrow line to a similarly colored curved line on 

 occiput, a spot in front of the anterior ocellus, three stripes on 

 dorsulum, spot on pronotum at each side and spot on scutellum, 

 black ; middle segment with a brownish mark on each side ; front 

 convex, medially impressed; with strong separated punctures; 

 clypeus elongate, subacuminate, impunctate, much longer than 

 broad, apically with two cai'inie terminating in short approximate 

 teeth; ocelli forming a triangle; flagellum long, scarcely thick- 

 ened; pronotum margined, not angulate; dorsulum, scutellum and 

 postscutellum more strongly punctured than front; scutellum sub- 

 convex, not impressed; middle segment less strongly punctured 

 than dorsulum, feebly so on sides, the medial furrow deep; petiole 

 campanulate, short, about as long as that portion of thorax pos- 

 terior to base of scutellum, feebly punctured, and just before 

 apex above with a deep pit ; dorsal surface of remainder of abdo- 

 men with feeble shallow punctures, the ventral surface nearly 

 impunctate; wings subhyaline, slightly yellow along costa; ner- 

 vures and stigma yellow testaceous. Length 12 mm. 



?. — Colored and sculptured like cJ', but the wings with a yel- 

 lowish cast and darkened apically; flagellum shorter, subclavate. 



