November, 1901] 



PSYCHE. 



273 



Fam. Sphegidae. 



Psammopliila liictitosa Sm., one 9 , 

 June 27. 

 Fam. PoMPiLiDAE. 



I'oiiipiliis tfucbrosiis Cr., one 9 , June 



26. 

 Pompiliis lepidus Say, one 9 , June 29, 

 described from Mexico, otlier speci- 

 mens in the Collection of the Ameri- 

 can B^ntomological Society are from 

 Florida and Colorado. 

 Fam. Sapygidae. 



Sapyga centra/a Say, one <J , June 27. 

 Fam. EuMENiDAE. 



Odyncnis frakrnus Say, one <J , June 



27- 

 Fam. Selandriidae. 



Poecilostoma iiifcrentia Nort., one $ , 

 June 27. 

 Fam. Tenthredinidae. 



Tcnthrcdopsis aitractus Nort., one 9- 

 Smaller than Norton's unique type 

 (in Coll. Am. Ent. Soc.) from the 

 English River, Canada. 

 Tenthredo nupcra Cr., one $ , June 29 

 Labidia origiiutlis Nort., two 9)JnHe 

 27- 



LIFE HISTORIES OF NORTH AMERICAN GEOMETRIDAE.—XXVH. 



BY HARRISON G. DYAR, WASHINGTON, D. C. 



Sahiilodcs iraiisi'crsata Drury. The ma- 

 ture larva has been figured and described hy 

 Peale, Packard, Goodell and Bruce. 



Eg-ff. Elliptical, flattened above and below, 

 truncation rather large and marked, the other 

 end depressed. Shining light green, turning 

 dark red. Nearly smooth, the reticulations 

 fine, obscure, rounded hexagonal, nearly ob- 

 solete and not raised, the angle pores showing 

 as faint whitish dottings, slightly roughening 

 the surface. Size .9X-7X.6mni. Hatched in 

 nine days. Laid adherent to the surface. 



Stasfi- I. Head rounded, flattened before, 

 month squarely projecting. Dark, sordid, 

 luteous brown, darker on the sides; slightly 

 bilobed; held obliquely. Body slender, cy- 

 lindrical, moderately elongate, greenish white 

 on the sides, dorsally and ventrally broadly 

 striped in purplish brown, the dorsal band 

 widened a little on the prothorax. No 

 shields; tubercles and setae minute. Feet 

 dark brown, normal. 



Staire II. Much as before. Head dark 



brown, epistoma paler; width .6 mm. Body 

 slender, dark brown dorsally and ventrally, 

 the dorsal band with traces of pale subdorsal 

 linings. Sides sordid white, greenish from 

 the food; tubercles and setae minute; feet 

 dark. The head is rounded, scarcely bilobed, 

 clypeus depressed, mouth squarely and 

 shortly projecting; antennae distinct, pale. 



Stage III. Head squarely rounded, slight- 

 ly bilobed, obliquely erect; heavily brown 

 reticulate, solidly shaded over the face, partly 

 whitish on the sides; antennae pale; width 

 I.I mm. Body moderately elongate, normal ; 

 dorsum and venter broadly brown, finely 

 lined in an obscure paler shade, the venter 

 diluted with greenish, strongly brown onlv 

 centrally. Subventral fold broadly. greenish 

 white. Feet pale, the abdominal ones daik 

 marked within. 



Stage IV. Head rounded, scarcely bilobed, 

 erect, free; uniformly dark brown, the an- 

 tennae whitish ; width 1.5 mm. Body mod- 

 erate, normal, angled dorsally at joint 3; tu- 



