7 2 PSYCHE [August 



ONE OF THE SMALLEST DIGGER WASPS. 



BV HENRY L. VIERECK, PHILADELPHIA, PA. 



Ammoplanus ceanothae n. sp. 



$ 2.5 mm. Submarginal cell without a stump of a vein, as in Ammoplanus cohunbi- 

 anus. 



Cljpeus convex, smooth, slightly rounded out on the anterior margin ; front shining, 

 very finely sculptured, bearing no impression ; anterior ocellus about on a line with the pos- 

 terior margin of the eye, distance between the posterior ocelli less than the distance between 

 them and the nearest eye margin ; pedicellum nearly as long as the first two joints of the 

 flagellum, joints of the flagellum subequal ; pronotum smooth with no sharp margins; dor- 

 sulum sculptured much like the front, in addition it has some sparse rather distinct fine 

 punctures; mesopleurae sculptured like the dorsulum ; metathorax dull granular, flat, with 

 two longitudinal raised lines fairly close together; abdomen shining, apparently impunc- 

 tate ; pubescence pale, inconspicuous. 



Black ; antennae and legs testaceous, partly brown ; mandibles, clypeus and tegulae 

 brown. 



Type locality, Lehigh Gap, Pennsylvania, where it was taken 17 July, 1899, 11,12 July, 

 1900, and 29 June, 1901 ; on the latter date it was caught on the flowers of Ceanofhns ameri- 

 cattus, L. 



Type Acad. Nat. Sci.. Phila. 



A NEW SPECIES OF ROACH OF THE GENUS KAKERLAC 

 {LOBOPTERA AUCT.) FROM SOUTHERN TEXAS. 



BY JAMES A. G. REHN, PHILADELPHIA, PA. 



Recently Mr. C. Schaeffer, of the Brookjyn Institute of Arts and Sciences, 

 submitted to the author for determination a single specimen of a species of the 

 genus Kakerlac {Loboptera of authors). On comparison with the figures and 

 descriptions of the previously known species of the genus it appears to be new. 



Kakerlac schaefiFeri n. sp. 



Type : 9 ; Esperanza Ranch, Brownsville, Cameron Co., Texas. (C. 

 Schaeffer) . Brooklyn Institute of Arts and Sciences. 



Allied to K. americana (Scudder)^ and K. <rf/f/////o)n//s {S;\ussme and 

 Zehntner) ,^ but differing from the former in the more compressed anterior portion 

 of "the body, the narrower tegmina and the more arcuate pronotum ; from annuli- 



>Proc. Davenport Acad. Nat. Sci., VIII, p. 93. 'Biol. Cent. Amer., Orth., i, p. 54. 



