CLEAR-WING MOTHS OF FAMILY AEGERIIDAE 33 



RAMOSIA BIBIONIPENNIS (Boisdnval) 



Plate 1, Figure 4; Plate 5, Figures 31, 31a ; Plate 13, Figure 61 ; 

 Plate 19, Figure 104 



Sesia bibionipennis Boisduval, Ann. Soc. Ent. Belgique, vol. 12, p. 64, 1869. 

 Alhuna rutilans Hy. Edwards, Papilio, vol. 1, p. 186, 1881.— Beutenmuller, Bull. 



Amer. Mus. Nat. Hist., vol. 4, p. 172, 1892. 

 Aegeria aureola Hy. Edwards, Papilio, vol. 1, p. 194, 1881. 

 Aegeria neglecta Hy. Edwards, Papilio, vol. 1, p. 197, 1881.— Beutenmuller, Bull. 



Amer. Mus. Nat. Hist., vol. 4, p. 173, 1892. 

 Aegeria hemisoniae Hy. Edwards, Papilio, vol. 1, p. 198, 1881. — Rivers, Papilio, 



vol. 3, p. 26, 1883.— Beutenmuller, Bull. Amer. Mus. Nat. Hist., vol. 4, p. 174, 



1892. 

 Aegeria lupini Hy. Edwards, Papilio, vol. 1, p. 192, 1881.— Beutenmuller, Bull. 



Amer. Mus. Nat. Hist., vol. 4, p. 173, 1892; vol. 5, p. 24, 1893; vol. 6, p. 91, 1894. 

 Aegeria perplexa Hy. Edwards, Papilio, vol. 1, p. 192, 1881. 

 Aegeria impropria Hy. Edwards, Papilio, vol. 1, p. 193, 1881. — Riley, Proc. Ent. 



Soc. Washington, vol. 1, p. 85, 1888.— Rivers, Ent. Amer., vol. 4, p. 99, 1888.— 



Beutenmuller, Bull. Amer. Mus. Nat. Hist., vol. 4, p. 173, 1892. 

 Aegeria zvashingto-nia Hy. Edwards, Papilio, vol. 1, p. 197, 1881. — Beutenmuller, 



Bull. Amer. Mus. Nat. Hist., vol. 4, p. 173, 1892. 

 Aegeria madariae Hy. Edwards, Papilio, vol. 1, p. 201, 1881. — Beutenmuller, Bull. 



Amer. Mus. Nat. Hist., vol. 4, p. 174, 1892. 

 Aegeria rutilans Beutenmuller, Bull. Amer. Mus. Nat. Hist., vol. 6, p. 94, 1894. 

 Sesia rutilans Beutenmuller, Bull. Amer. Mus. Nat. Hist., vol. 8, p. 130, 1896; 



vol. 9, p. 219, 1897; Mem. Amer. Mus. Nat. Hist., vol. 1, pt. 6, p. 281, pi. 32, 



figs. 22, 23, 1901. 

 Sesia neglecta Beutenmuller, Bull. Amer. Mus. Nat. Hist., vol. 8, p. 132, 1896; 



Mem. Amer. Mus. Nat. Hist., vol. 1, pt. 6, p. 283, pi. 33, fig. 16, 1901. 

 Sesia madariae Beutenmuller, Bull. Amer. Mus. Nat. Hist., vol. 8, p. 132, 1896. 

 Synanthcdon bibionipennis McDunnough, Check list of the Lepidoptera of Canada 



and the United States of America, pt. 2, No. 8697, 1939. 



Male. — Antennae black. Labial palpi deep yellow, the sides covered 

 with dense black hair, tips black. Head black, roughly scaled on top. 

 Collar deep yellow. Thorax purplish black above, patagia broadly edged 

 with yellow, yellow beneath at the sides. Abdomen black, segments 2 and 

 4 broadly banded with yellow above, segment 6 sometimes also with a 

 narrow yellow band ; anal tuft fan-shaped, black above, deep yellow at the 

 sides and in the middle beneath. Legs yellow, shaded with black and a 

 blue-black band between the spurs of posterior tibiae, tarsi yellow, dusted 

 black. Forewing broadly bordered with dull black with coppery rays be- 

 tween the veins at outer margin ; discal mark large, square, black ; inner 

 transparent area narrowly triangular ; outer area small, roundish. Hind- 

 wing transparent, borders brown-black, tinged with yellow near base. 

 Underside of wings heavily shaded lustrous yellow between the veins, 

 hindwing with a well-defined narrow line along inner margin. 



Fefnale. — Differs from the male. Palpi wholly yellow. Metathorax 

 well banded with yellow above. Abdomen with segments 2, 4, and 6 

 broadly banded with yellow and segments 3 and 5 usually, but not always, 



