HYMENOPTERA PARASITICA 295 



Many specimens. The species is allied to P. abruptus Say and will come next 

 to it in a table of our species. 



H.^B. Hawaii: Kona (2000 — 3000 feet), June & July (3500 feet), in July (4000 

 feet), in August ; Olaa, June. — Maui : Haleakala (4500 feet), in March (8000 feet), 

 in April. 



Family LIV. DIAPRIIDAE 

 This family is represented by three distinct genera, two of which are new. 



Subfamily II. DIAPRIINAE. 



Zacranium, gen. nov. 



?. Apterous. Head large, compressed, but not much wider than the compressed 

 thora.x ; seen from above it is oval, a little longer than wide ; seen from the side it is 

 about twice as high as long, the antennae being inserted on a slight ledge far below the 

 middle. Eyes facetted, small, almost round and situated toward the side of the head 

 much below its middle. The mandibles project slightly and are bidentate, the inner 

 tooth acute. The antennae are 1 2-jointed, as long as the body ; the scape long, 

 subclavate, about as long as the first four joints of the flagellum united ; pedicel 

 obconical, not short, about two-thirds the length of the first joint of the flagellum, the 

 latter being the longest joint of the flagellum, about as long as joints 2 and 3 united ; 

 the flagellum is incrassated towards the apex, joints 4 to 9 moniliform, the loth or last 

 antennal joint being oblong and as long as the two preceding joints united. The 

 thorax is compressed and about one-third the width of the abdomen at its widest part ; 

 above it is convex and a little more than thrice as long as wide, the scutellum not being 

 differentiated, the collar at the sides and the metathorax, as well as the petiole of the 

 abdomen, being clothed with a pale woolly pubescence. Abdomen oblong oval, about 

 as in the European genus Platymisc/itis W'esUvood, the second segment occupying 

 nearly its whole surface. 



(i) Zacranium oahuense, sp. nov. 

 (Plate VI H. fig. 3, ?.) 



$. Length 28 mm. Polished, shining, the head and abdomen black, the thorax 

 rufous, the collar, metathorax and the petiole clothed with a dense woolly pubescence ; 

 first two joints of the antennae and the legs, including the coxae, flavo-testaceous, the 

 flao-ellum, e.xcept joints i and 2, which are more or less brownish, being black. 



Described from i $ specimen. 



Hab. Oahu : Waianae Mts., in June. 



39—2 



