122 U.S. NATIONAL MUSEUM BULLETIN 244 



usually dark to termen, gradually fading outward in rubbed specimens; 

 lower margin of this area slightly curved, never continuing uninter- 

 rupted to lower margin of cell, but, instead, with small pale indention 

 of margin where it joins cell; light area of forewing pale brown to 

 fuscous. Secondaries usually darker, especially on outer half- outer 

 radial cross vein beyond apex of discal cell; termen slightly to strongly 

 excavate. Wing venation remarkably constant; M2 and 3 strongly 

 stalked in both wings. Wing expanse 35-52 mm., x= 42.95 mm. 

 (n=151). * 



Male genitalia. — (Fig. 288.) Very elongate, sunilar to 0. specter. 



Female. — Length 30-40 mm. As described for genus. 



Female genitalia. — (Figs. 310-312.) 



Case. — (Fig. 112.) Length 60-110 mm.; greatest diameter usually 

 20-35 mm. Cases heavily constructed of short, usually stout sections 

 of twigs, and a few tiny leaf fragments arranged in circular pattern 

 around bog; over this irregular outline a thin but fu-m covering of 

 greyish-brown silk laid down. 



Type. — Lost {0. kirbyi, 0. julgurator, 0. poeyi); in the United 

 States National Museum {0. orizavae); Instituto de Biologia, Mexico 

 City (0. Jasiculatus, 0. ochoterenai, 0. sinaloanus). 



Type locality. — West Indies (0. kirbyi); Brazil (0. Julgurator); 

 Cuba (0. poeyi); Orizaba, Mexico (0. orizaba); Presidio, Veracruz, 

 Mexico (0. Jasiculatus) ; Guadalajara, Mexico (0. ochoterenai); 

 Mazatlan, Mexico {0. sinaloanus). 



Recorded hosts. — "Bignoniaceae: Tabebuia pallida Miers, Tabe- 

 buia rigida Urban; Bombacaceae: Ceiba pentandra (L.) Gaertn., 

 Montezuma speciosissima Sesse & Moc, Ochroma lagopus Sw.; Boragi- 

 naceae: Cordia sulcata DC; Casuarinaceae : Casuarina equisetijolia 

 L. ; Combretaceae : Terminalia catappa L. ; Flacourtiaceae : Casearia 

 sylvestris Sw.; Lauraceae: Persea americana Mill.; Nyctaginaceae 

 Pisonia albida (Heunerl.) Britton; Pinaceae: Thuja orientalis L. 

 Rubiaceae: i^awf^ia acwZcafa L. ; Sapindaceae : Cupania americana L. 

 Sapotaceae: Chrysophyllum pauciUorum Lam.; Verbenaceae: Petitia 

 domingensis J acq." (Martorell, 1948). "Cupressaceae : Cupressussip.; 

 Fabaceae: Acacia sp.; Taxodiaceae: Taxodium s])." (Vazquez, 1942.) 

 "Oleaceae : Fraxinus sp." (Wolcott, 1951). "Fabaceae : Calliandra sp. ; 

 Musaceae: Musa sp." (from specimen labels). 



Distribution.— (Map 12.) A very common neotropical species, 

 ranging widely from the Volcanic Section of Central America, through 

 the Central American Ranges and several islands of the Greater 

 and Lesser Antilles, south into almost every major physiographic 



* For explanation of symbols, see ftn., p. 114. 



