1892,] ENTOMOLOGICAL NEWS. 9 



13. ^sclina (Basiaesclana) Janata Say. 



1890, June 21, one % taken near brook. 1891, June 5 to 15, 

 seven 9 9 , six S S taken near woods; June 15, a S devouring 

 a 9 Gomphus exilis was taken. 



17. Gomphus parvulus Selys. 



1891, June 25, one 9 near brook. 



25. Epitheca (Somatochlora) Walshii Scud. 



1891, July 30, one S in meadow near brook; August 5, one 

 seen flying. 



26. Epitheca (Somatochlora) forcipata Scud. 



1890, Aug. 14, one S in meadow. 



28. Oordulia (Somatochlora) lepida Selys. 



1891, June, one S ; June 26, one 9 by roadside. 



29. Cordulla (Somatochlora) libera Selys. 



1890, June 19, one % in woods. 1891, June 5 to 30, quite 

 common in and near woods. 



HYMENOPTEROLOGICAL NOTES.-IL 



By Wm. J. Fox, Phila., Pa. 



Crabro nitidiventris n. sp. 



9. — Black, shining; first two joints of the antennae entirely, line on pro- 

 thorax above, broadest laterally, tubercles, an elongated spot behind them, 

 dot on tegulae, spot at base of wing, line on the basal half of the scutel- 

 lum, two transverse spots on the upper surface of the metathorax, the 

 apex of anterior and medial femora, the tibiae and tarsi, and a large 

 macula on each side of segments 2-5, all yellow, the extreme apex of the 

 posterior tibiae and the apical tarsal joints, brownish. Head quadrate; 

 clypeus, front behind the antennae, and the posterior orbits with bright 

 silvery pubescence, most dense on the former; head clothed with pale 

 fuscous hairs, finely and sparsely punctured, the punctures on the cheeks 

 very delicate, strongest on the front; vertex depressed, with a strong, 

 pear-shaped pit on each side near the top of inner eye margin; frontal 

 impressed line deep; clypeus feebly carinated medially, the anterior mar- 

 gin armed with three teeth, which are widely separated; apical half of 

 mandibles ferrugineus, the apex bidentate; scape of antennae narrow, 

 longer than the first three joints of the flagellum united, second joint of 

 the flagellum nearly three times as long as the preceding one, and about 

 two and a half times longer than the succeeding one. Thorax and legs 

 sparsely clothed with pale fuscous pubescence, pertaining to silvery on the 

 pleura; and pectus; the thorax with fine, separated punctures, very fine on 

 the pleurae; prothorax slightly emarginate above; postscutellum parted 

 by an impressed line; metathorax with two transverse enclosures on the 



