52 p. CAMERON, HYMENOPTERA OE THE DUTCH EXPEDITION 



area, there are 2 lateral arese, the 2"*^ (and larger) extending 

 closely to the middle of the posterior median ; the 3'"''' lateral 

 is not clearly defined ; the spiracles are longish oval. Claws 

 small, not pectinated. Eyes large, parallel, not incised, bare. 



The apex of clypeus broadly rounded ; there is a small, but 

 distinct, malar space ; mandibles broad, with 2 equally sized 

 teeth. Scutellum roundly convex, its sides not margined. Post- 

 scutellum large, flat. Median segment thickly covered with long 

 white pubescence. The 1^^ segment is as long as the following 

 two united; the 2"'^ nearly twice the length of the 3'"'^. 



Comes neai-est, in Ashmead's system (Bull. U. S. Nat. Mus. 

 XXIII, 91), to Amorphota Foerster. The long, cylindrical 

 narrow abdominal petiole, abruptly dilated at the apex, forms 

 a good distinguishing characteristic. 



Devorgilla dilatata sp, nov. 



Black, the mandibles, palpi, anterior coxae, trochanters and 

 tegulse pale yellow; the 4^'^ and following segments of the abdo- 

 men red ; 4 anterior femora, tibife and tarsi rufous, the tibiae 

 yellowish in front, the 4 hinder coxae, the hind femora, tibiae 

 and tarsi, black. Wings hyaline, the nervures and stigma black. J*. 



Length 12 m.m. 



Merauke. 



Scape of antennae yellowish, the flagellum brownish below. 

 Head and thorax alutaceous, opaque, thickly covered with 

 white pubescence; the mesopleurae closely distinctly punctured; 

 the depression on propleurae irregularly striated ; the areola 

 and posterior median areae stoutly, closely, and posteriorly, 

 irregularly, transversely striated. Calcaria whitish, the hinder 

 darker coloured. The 2"'' and S"'' ventral segments are pale 

 yellow, the rufous apical are narrowly lined with yellow at 

 the apex. The wings are colourless and iridescent. Antennae 

 longer than the body. 



