110 
Bnlletin Wisconsin Natural History Society. [Vol. 5, No. 2. 
broad. Marginal vein short, extending" to one-third the length of the 
wing. Wings with short cilia, the longest ones less than one-third 
the greatest breadth of the wing. 
Milwaukee, Wisconsin, June 8, 1906. This seems to be the 
first species of Gonatocerus to be described from this country, 
although it is probable that a number occur here. 
FAMILY BRACONID^. 
(?) Pambolus dispar sp. nov. 
Female. Length 3 mm. Subapterous. Enfo-ferruginous, abdomen 
varied with darker and pale spots. Legs testaceous. Head rufous, 
distinctly wider than long, the temples full, but strongly rounded and 
narrowed behind ; its surface smooth and shining. Posterior margin 
of the head very distinct. Seen from the side the head is as high as 
thick. Antennae 18- jointed, ferruginous, a little shorter than the body. 
First flagellar joint as long as the scape, second and third shorter, 
the second two-thirds as long as the first. Apical four or five joints 
submonilform. Thorax slender, narrower than the head and three 
and one-half times as long as wide ; ferruginous, the small wing pads 
reaching barely beyond the tip of the metathorax. They are laceolate 
in shape and clothed with long whitish hairs. Pro- and mesothorax 
shining, the former with some coarse punctate sculpture laterally 
behind, and the latter with irregularly marked parapsidal furrows that 
coalesce before the scutellum. Scutellum triangular, with a deep broad 
fovea at its base, divided by several raised cross-lines. Metathorax 
cylindrical, truncate, its surface roughly reticulate. Abdomen broad, 
oval, as long as the head and thorax tog-ether. First segment longer 
than wide, and two times as wide at the tip as at the base, laterally 
with strong carinje, its surface rugulose. with indications of two 
weaker central longitudinal carina^ that unite before the tip of the 
segment. Second segment large, as long as wide, shining and 
microscopically fs^mctulate : third to sixth segments together as long 
as the second, indistinctly differentiated. Basal segment ferruginous, 
the rest piceous ; third segment with an indistinct broad pale band 
near the middle, which is repeated less distinctly on the third, fourth 
and fifth. Ovipositor brownish-yellow, shorter than the first abdominal 
segment. Legs slender, testaceous, hairj'. 
