1896.] NATURAL SCIENCES OF PHILADELPHIA. 99 



Hah. — Las Cruces, N. M., one collected by Mr. A. M. Holt on 

 Verbesina encelioides, Sept., 1895. This species is allied to wter- 

 rupta and californica. 



Species found on Verbesina encelioides in the Mesllla Valley, N. M. 



63. Perdita beata n. sp. 



9 . — Length 8-8* mm. Entirely bright canary-yellow ; except 

 the flagellum blackish above, the usual clypeal dots, an obscure 

 black line round the lower part of the dog-ear marks, especially on 

 the inner side ; a black band, not quite as long as the scape, before 

 each orbit ; a short black line on each side of second abdominal seg- 

 ment ; a dark shining pit on the hind part of the raetathorax ; and 

 the lower (ventral) half of the pleura black. Wings hyaline, nerv- 

 ures.and stigma very pale yellow. Marginal cell large, poststig- 

 matal portion longest. Second submarginal narrowing hardly one- 

 half to marginal. Third discoidal distinct. Hind tibiae and tarsi 

 very hairy. Mesothorax, scutellum and postscutellum with short 

 dense erect yellow hairs. Ocelli dark. Ends of mandibles dark, 

 the mandibles being quite abruptly bent before the dark portion. 

 Terminal portion of glossa not hairy. 



Hab. — Las Cruces, N. M., on flowers of Verbesina encelioides. 

 The first was taken in September, 1895, by Mr. A. M. Holt. On 

 Sept, 20th I took one, and again another on Sept. 28th. 



This lovely insect is a sort of gigantic P. luteola ; but the meso- 

 thorax of luteola is bare, while that of beata is very bristly ; luteola 

 also does not show the black on under part of pleura. 



64. Perdi?a perpulchra n. sp. 



9 . — Length 82-9 mm. Head and thorax bronzy-green, densely 

 covered (except the smooth disc of metathorax and middle of face) 

 with short erect pale yellowish hairs, v/hich become longer on the 

 the pleura and cheeks beneath, and sparse on the vertex. Head of 

 ordinary size, subtriangular or broadly subcordiform ; vertex dull- 

 ish, granular ; clypeus approximately cocked-hat-shaped. The con- 

 spicuous white hairs on face are arranged so as to seem to radiate 

 from the antennae ; but the disc of the clypeus, and the area above 

 it and between the antennae, are bare. Mandibles abruptly bent 

 before their dark ends. End of glossa with a conspicuous brush of 

 hairs. Antennae yellow ; flagellum, funicle and end of scape black 

 above. Clypeus (except the usual pair of dots) and lateral face- 

 marks yellowish-white. No supraclypeal or dog-ear marks. Lat- 



