1910] Brucx, North American Parasitic Hiiuicnoiitcra IX. 71 



Pezomachus fenestralis sp. nov. 

 Male. Length 5 mm. Dark fuscous or nearly piceous, varied with 

 dull brownish yellow as follows ; first two joints of antennae, head 

 except on the vertex, prothorax, mesonotum, all of legs including 

 coxae, tip of abdominal petiole, and a lateral and apical broad stripe on 

 the second abdominal segment. Head twice as broad as thick; lateral 

 ocelli as far from the median one as from the eye-margin ; occiput 

 sharply margined behind. Narrowest part of front above antenna? as 

 wide as either eye. Antennae long and slender, 29-jointed ; scape short, 

 oval ; first flagellar joint about six times as long as thick, one third 

 longer than the second ; following decreasing in length until those at 

 the apical third of the antenna? are twice as long as thick. Head above 

 shagreened, snbshining; below more shining - and almost smooth; malar 

 space with an opaque slightly depressed line from the eye to the base 

 of the mandible. Maxillary palpi slender, four- jointed. Thorax long 

 and slender, less than one-third as broad as long and only half as broad 

 as the head. Vestiges of anterior wings pearly white, as large as the 

 tegulae. Mesonotum over twice as long as broad and much narrowed in 

 front and with a faint median longitudinal depression. Scutellum 

 very small, convex and with a deep fovea at its base. Entire thorax 

 shagreened, the metathorax more strongly so. Metanotum with one 

 distinct complete sinuous transverse carina. Petiole of abdomen only 

 one-half wider at the apex than at its narrowest part near the base ; 

 spiracular tubercles distinct, but very small. Abdomen widest at the 

 fourth segment, its hairs fine and very closely placed ; its surface 

 shining beyond the second segment, which like the petiole is roughly 

 shagreened. Legs very slender; longer spur of hind tibiae less than 

 one-third as long as the metatarsus which is twice as long as the second 

 tarsal joint. 



New Brunswick, New Jersey, collected by Mr. John A. Gross- 

 beck. The species was found upon a window in a house. 



Pezomachus obesus sp. nov. 



Female. Length 5 mm. Piceous black, mesonotum and prothorax 

 more or less tinged with fuscous. Antenna^ fuscous, with a piceous 

 liand near the middle ; legs fuscous, piceous on the coxae and slightly 

 so on the femora and tips of tibiae. Head large, slightly over twice 

 as wide as thick, thickly punctulate and with sparse white hairs above. 

 Occiput sharply margined. Front below the median ocellus one-half 

 wider than either eye ; smooth and shining between and just above the 



