CLEAR-WING MOTHS OF FAMILY AEGERIIDAE 149 



naturelle des insectes: Species general des lepidopteres heteroceres, vol. 1, p. 



463, 1874. 

 Sesia denudata Boisduval, Histoire naturelle des insectes : Species general des 



lepidopteres heteroceres, vol. 1, p. 435, 1874. 

 Aegeria asilipennis Marten, in Thomas, Tenth report of the State entomologist on 



the noxious and beneficial insects of the State of Illinois, 1880, p. 109, 1881. — 



Hy. Edwards, Ent. Amer., vol. 3, p. 224, 1888. 

 Aegeria denndatum Packard, Insects injurious to forest and shade trees, U. S. Ent. 



Comm. Bull. No. 7, p. 138, 1881. 

 Fatna denudata Grote, New check list of North American moths, p. 11, 1882. — 



Beutenmuller, Ann. New York Acad. Sci., vol. 5, p. 204, 1890.— Smith, 



Catalogue of insects found in New Terse}', p. 288, 1890.— Packard, 5th Rep. 



U. S. Ent. Comm., p. 540, 1890. 

 Sphecia championi Druce, Biologia Centrali-Americana, Lepidoptera, vol. 1, p. 29, 



pi. 5, figs. 3, 5, 1883. — ZuKOWSKY, in Seitz, The Macrolepidoptera of the world, 



vol. 6, p. 1245, pi. 178b, 1936. 

 Tarsa denudata Beutenmuller, Bull. Amer. Mus. Nat. Hist., vol. 5, p. 22, 1893; 



vol. 8, p. 124, 1896; vol. 9, p. 219, 1897.— Lugger, 1st Ann. Rep. Ent. State Agr. 



Exp Stat. Univ. Minnesota, 1895, p. 96, pi. 5, fig. 51, 1896. 

 Memythrus asilipennis Beutenmuller, Mem. Amer. Mus. Nat. Hist., vol. 1, pt. 6, 



p. 252, pi. 30, fig. 10 (male), fig. 11 (female), 1901. 

 Paranthrene asilipennis Zukowsky, in Seitz, The Macrolepidoptera of the world, 



vol. 6, p. 1255, pi. 180b (female), 180c (male), 1936.— McDunnough, Check list 



of the Lepidoptera of Canada and the United States of America, pt. 2, No. 



8800, 1939. 



Male. — Antennae strong, broadly bipectinate, rufous-brovv^n, orange at 

 tips. Labial palpus moderately rough, buff and sordid white, dark brown 

 at base and the sides, rufous above. Head black, face rufous, occipital 

 fringe rufous. Collar black, lower edge yellow or buiT. Thorax brown- 

 black; tegulae edged with yellow, shoulder chestnut- red, yellow at wing 

 base ; metathorax with a yellow transverse line curved upward. Abdomen 

 blackish on upper and brownish on lower half ; segment 1 black ; segments 

 2, 3, and 4 black with pale yellow bands, the bands narrowing laterally ; 

 segments 5, 6, and 7 brownish, narrowly banded with pale yellow above 

 and beneath ; anal tuft short, blunt, brown. Legs rufous, touched with 

 black and chestnut-red on femora and tibiae. Forewing transparent, costa 

 and inner margin brownish black, shaded with red ; discal mark irregularly 

 oblique, mostly red with dark edges ; outer margin narrow, dull black and 

 red mixed, fringes brownish black. Hindwing transparent, margins and 

 fringes narrow, brownish black; discal mark narrow, orange. Under- 

 neath, wings shaded with yellow and orange on opaque parts. 



Female. — Antennae simple, rufous, darkening to tips. Thorax on shoul- 

 der mostly chestnut-brown. Abdomen chestnut-brown on lower half and 

 with chestnut-brown shadings on upper half above the yellow bands. 

 Forewing opaque, except a triangular area above the hind angle. Hind- 

 wing transparent, with costa and discal mark heavily suffused with brown 

 and red ; discal mark deep orange. 



Expanse : Male 28 to 38 mm., female 36 to 46 mm. 



