BAGWORM MOTHS OF THE WESTERN HEMISPHERE 99 



sternite with shallow base; furcate arms rather long, parallel, with 

 curved, knoblike tips. 

 Female. — Unknown. 



Key to the Species of Biopsyche 



la. Epiphysis % length of foretibia and arising % distance from base; vesture of 

 head completely fuscous 41. B. apicalis 



lb. Epiphysis ji length of foretibia and arising }i distance from base; head 

 vesture largely fuscous with area around antennal bases greyish white. 



40. B. thoracica 



40. Biopsyche thoracica (Grote), new combination 



Figures 35, 36, 91, 282, 347; Map 6 



Hymenopsyche thorncicum Grote, Proc. Ent. Soc. Phila., vol. 5, p. 249, 1865. 



Thyridopteryx thoracicum (Grote) Gunlach, Contr. Ent. Cubana, p. 276, 1881. — 

 Kirby, Cat. Lep. Hcter., vol. 1, p. 501, 1892.— Dalla Torre and Strand, 

 Lep. Cat., pars 34, p. 185, 1929.— Gaede in Seitz, Macrolep. World, 

 vol. 6, p. 1182, 1936. 



Male.- — (Figs. 35, 36.) Antennae with 33-40 segments. Dorsum 

 of head with two areas (around bases of antennae) of greyish white 

 hairs. Pronotum clothed with greyish white hairs; neck, remainder 

 of head, thorax, abdomen clothed with fuscous hau-s. Epiphysis ^i 

 length of foretibia, arising from basal fifth of that segment. 



Wing membrane very smooth, lustrous, reflecting at times with a 

 somewhat milky sheen. Forewmg with outer half of costal margin 

 and inner half of anal area usually with sparse scattering of broad to 

 somewhat narrov.^, short scales (fig. 374). Secondaries with costal 

 area sparsely covered with rather broad scales; anal area with long 

 hairs, scattering of short broad scales near hindmargin; scales of both 

 wings dark fuscous. Mo and 3 of hindwing frequently fused, sometimes 

 separating just before reaching hindmargin. Wing expanse 18-25 

 mm. 



Male genitalia. — (Fig. 282.) As described for genus; very 

 similar to B. ajncalis. 



Case. — (Fig. 91.) Length 20-25 mm.; diameter 7-10 mm. 

 Roughly covered with short sections of small twigs, spines, oriented 

 in a somewhat spiral pattern. 



Type. — In the Academy of Natm-al Sciences, Philadelphia. 



Type locality. — Cuba. 



Recorded hosts. — "Casuarinaceae: Casuarina equisetifolia Blsnico" 

 from specimen label. 



Distribution. — (Map 6.) Cuba. 



Material examined. — 7 d^cf, 24 cases: 



CUBA: Specific locality unknown, 2 cfcf, holotype, paratype, ANS; 2 cTcf, 

 2 cases, USNM. Havana, cf, July 15-18; &, 22 cases, DEI; cf, April 12, 

 USNM. 



