Dec. 1894.1 NeUiMiEGEN e^' DVAR. N. A. BOMLJVCES. 163 



P. robin ias Peck. 



1818 — Cosstis robi)iiie Peck, Mass. Agric. Rep. Joiirn., \o\. V, p. 67. 

 1856 — Cosstes /'/ao/a^iesWALKKR, Cat. Brit. Mus., pt. VII, p. 1515. 

 i864—Ay/c-!t/c'srn-/>c'm Gkote, rioc. Ent. Soc. Phil., Vol. Ill, p. 388. 

 1878 — Cossus rcticiilalus LiNTNER, Rep. N. Y. Mus., Vol. XXX, p. 242. 



var. quercus Ehrmann. 



1893 — Prioito.x-ystiis ro/'i/iicv vai . qiitTciis Ehrmann, Can. Ent., \o\. XXV, 

 p. 257- 



d^ Dull cinereous, patagia and collar bordered with black. 

 Primaries densely reticulated with black, forming a broad diffuse 

 band of black from internal margin to apex, running also on to 

 discal cell. Secondaries golden yellow, black on basal half, costal 

 and internal margins and narrow outer edge. Expanse, 50 — 55 mm. 



9 Paler, almost white; reticulations less dense so that the 

 black band is broken up into several isolated and variable patches. 

 Secondaries blackish, the reticulations of undei side appearing 

 by transparency. Expanse, 55—70 mm. 



Habitat, Atlantic States westward. 



P. macmurtrei Giierin. 



1829 — Ccssits macnnirtrci GuERiN, Icon. R. Auim. Ins., pi. 85, f. 2. 

 1858 — Cossus qtiercipcrda FrrCH, Rep. Ins. N. Y., Vol. V, p. 10. 



cf Very small, wings hyaline with traces of the black trans- 

 verse reticulations ; secondaries hyaline with narrow black border, 

 broader on internal margin. 



9 With very large abdomen ; wings whitish hyaline, the reti- 

 culations mostly transverse, recalling C. undosus. Secondaries sub- 

 hyaline, immaculate above. Expanse, 60 mm. 



Habitat, Atlantic States. 



Sub-family Hvpoptin.^. 

 Genus Cossula Bailey. 



1882 — Cosutla B./Mi.EV, Papilio, Vol. II, p. 93. 



im —Iiigiircinoi-pha Hv. Edwards, Ent. Amer., Vol. Ill, p. 182. 



C. basalis JValker. 



1856 — Cossus basalis Walker, Cat. Brit. Mus., pt. VII, p. 1523. 



1876 — Cymatophora magnijica Streckf.r, Proc. Acad. Nat. Sci. Phil., p.i=;i. 



\'i,'^i — Cossus iiiagnifica Bailey, Papilio, Vol II. p. 93. 



188S — InguroiiuvpJia slossonii Hy. Edwards, Ent. Amer., Vol. Ill, p. 183. 



^ Pale gray. At base of primaries, a deep black transverse 

 band ; at internal angle and apex are distinct lines forming circles. 



