April, '09] ENTOMOLOGICAL NEWS 147 



and sparsely so, last ventral segment strongly punctured. Pygidium 

 triangular, slightly depressed apically ; strongly punctured. Black ; man- 

 dibles (apices piceous), scape, two large spots on the pronotum, tuber- 

 cles, elongate spot beneath tegulse, two small spots in front of the scu- 

 tellum, postscutellum, elongate spots on the first three dorsal abdominal 

 segments, bands on the fourth and fifth, yellow. Tegulse femora be- 

 neath rtifo-testaceous; apices of femora above, tibiae and tarsi yellow, 

 apices of tarsi infuscated. Wings smoky-yellowish; venation testaceous. 



Habitat. Milwaukee, Co., Wis., Aug. 13, 1905. Type in 

 the Public Museum of Milwaukee. 



In my table for the females of this group (Ent. N. June, 

 1908, p. 250) this species runs to dilectus cress., but the striato- 

 punctate scutellum and the reddish femora separate it at once 

 from this species. Bigemimis Pack., dilectus Cress, and dilecti- 

 fonnis Roh. may be grouped together because in the female 

 sex the pygidium is slightly, but noticeably depressed apically. 

 They may be separated as follows : 



Scutellum striato-punctate (femora partly rufous ; metathorax black. 



dilectiformis Roh. 



Scutellum punctured i. 



i. Metothorax without a yellow spot ; basal half of femora black. 



dilectus Cress. 

 Metathorax with a large yellow spot ; femora pale beneath.. bigeminus. 



Crabro banks! n. sp. 



$ . Length about 9.5 mm. Anterior margin of the clypeus semi- 

 circular, not produced or emarginate ; carina evident, but not strong. 

 Space between the eyes at the clypeus about the same as the width of 

 the clypeus in the middle. Facial basin thickly covered with pubes- 

 cence, with a shining, longitudinal line in the middle; not sharply de- 

 fined above. Interorbital foveae present, elongate, but not strongly 

 defined. Ocelli in a low triangle; distance between the hind pair equal 

 to or slightly greater than the distance between one of them and the 

 nearest eye margin. Below the ocelli the head is closely punctured with 

 medium size, distinct punctures ; above the ocelli the punctures are 

 larger and rather widely separated. Antennae with short, rather sparse 

 silvery pile; the third joint a little shorter than joints 4 and 5. Pro- 

 notum short, with a very weak transverse carina anteriorly; not den- 

 tate laterally. Dorsulum compactly, rather coarsely punctured, three 

 longitudinal carinae anteriorly, the middle one the weakest. Scutellum 

 with large, punctures, separated anteriorly, confluent in places poster- 

 iorly. Mesoplurae distinctly striato-punctate. Metanotum rather finely, 



