132 William T. M. Forbes 



fron yellow ; anal angle dark brown, inner margin dominantly pale, except at 

 anal angle; costa also paler, especially toward middle. Thorax blackish; tips 

 of tegulae luteous. 11-14.5 mm. 



June. 



Pennsylvania; New York: Otto. 



2. M. dorsistrigella Clemens. (Cu 2 rarely stalked). Head, disc of thorax, and 

 inner margin of fore wing white, sometimes tinted with yellow; streak on inner 

 margin widened before and beyond the middle ; a triangular white patch in middle 

 of costa, reaching down to the fovea; a few white flecks at the apex. Tegulae 

 and ground color of fore wing dark purplish brown. 12-14 mm. (subjunctella 

 Walker). 



June and July. 



Massachusetts and North Carolina to southern Ontario, Missouri, and New Mex- 

 ico; probably general. New York: Ithaca, Sea Cliff, Long Island. 



3. M. ferruginella 'Hiibner. Black with violet iridescence, Dorsal streak light 

 cream-color, slightly widened before and beyond the middle; costal patch white, 

 usually reduced to a few scattered scales. Head bright ochre. A few silvery 

 flecks at apex. Hind wing purplish fuscous in male, darker in female. 11—15 mm. 



The larva is a clothes moth and a general scavenger. 



This species is definitely known only in Europe, but is to be looked for, mixed 

 with M. crocicapitella. 



4. M. crocicapitella Clemens. Similar to M. ferruginella; the ground color some- 

 what purple -brown, paler and flecked with yellow along the costa and outer third 

 of the wing; the triangle not distinct; hind wing and fringes pale gray. 

 9-17.5 mm. (hyalinella Staudinger, lombardica Hering, heringi Richardson, fer- 

 ruginella Dyar, not Hiibner ) . 



July to October. 



The larva has been bred from seeds of absinth and refuse, and the moth has 

 been taken in a cave, associated with bats. 



New York to California, probably general; also in Europe and Hawaii. New 

 York: Morrisania (New York City); Clove Valley, Staten Island. 



II. Fore wing with R 4 stalked with R 5 , Cu 2 with CUj and M 3 ; fovea small. 

 Cell about half as long as vnng. Hind wing with M x and M 2 separate. 



5. M. monachella Hiibner. Mottled fuscous gray. Head and thorax white; a 

 large, trapezoidal, costal white patch, reaching the fovea. R 4 and R 5 stalked, Cu 2 

 short-stalked. 11-17 mm. 



Europe. 



This species seems to have been introduced in Manitoba, and at St. Hilaire, 

 Quebec. It flies in June and July. 



6. M. biflavimaculella Clemens. Head pale luteous. Thorax dark brown with 

 a pale spot in front. Fore wings mottled umber brown tinged with violet; 

 a strongly contrasting, triangular, cream -white patch on middle of costa, and a 

 smaller one farther out on inner margin. 15 mm. {insignisella Walker). 



The moth occurs in June to September. I have seen a specimen with M, and 

 M 2 of the hind wing stalked, and one with R 4 and R 5 of the fore wing completely 

 united. ' 



Labrador to Texas and Washington. New York: Peru, Wilmington, Ithaca, 

 Big Indian Valley. 



7. M. marginistrigella Chambers. Dark purplish brown mixed with white ; head 

 contrasting yellowish white. Pale spots as in the last species, the one on hind 

 margin more narrowly continued toward base. Apex largely pale. 9 mm. 



June and September. 



Kentucky; southern Ohio; western Pennsylvania. 



