CLEAR-WING MOTHS OF FAMILY AF.GERIIDAE 123 



THAMNOSPHECIA SUBAEREA (Hy. Edwards) 



Pyrrhotaenia subaerea Hy. Edwards, Papilio, vol. 3, p. 156, 1883; Ent. Amer., vol. 



3, p. 224, 1888 ; Bull. Amer. Mus. Nat. Hist., vol. 8, p. 146, 1896. 

 Sesia subaerea Beutenmuller, Mem. Amer. Mus. Nat. Hist., vol. 1, pt. 6, p. 312, 



pi. 32, fig. 3 (male), 1901. 

 Synanthedon subaerea McDunnough, Check list of the Lepidoptera of Canada and 



the United States of America, pt. 2, No. 8758, 1939. 



Male. — Antennae black, marked with whitish on apical third. Labial 

 palpi sordid white, third joint black. Head and thorax lustrous deep brown. 

 Abdomen of the same color, annulations, if any, not discernible; anal 

 tuft narrowly fan-shaped, brown, edged with sordid white at the sides 

 and beneath. Legs deep brown. Forewing with veins 10 and 11 very 

 close together, parallel ; opaque brown sprinkled with pale-yellow scales. 

 Hindwing brown, transparent between the veins at base. Underside of 

 wings shaded more pale yellow. 



Female. — Not known. 



Expanse: Male 14 mm. 



Distribution. — Arizona. 



Type. — Male. In the United States National Museum. 



Remarks. — A very distinct species of which only the type and another 

 male, labeled Cochise County, Ariz., both in faulty condition, are available 

 for description. The food plant and habits are unknown. 



THAMNOSPHECIA RUBROFASCIA (Hy. Edwards) 



Plate 8, Figures 42, 42a; Plate 14, Figure 70; Plate 26, Figures 155, 156 



Aegeria rubrofascia Hv. Edwards, Papilio, vol. 1, p. 191, 1881. 

 Sesia rubrofascia F. M. Jones, Ent. News, vol. 23, p. 122, 1912. 



Synanthedon rubrofascia McDunnough, Check list of the Lepidoptera of Canada 

 and the United States of America, pt. 2, No. 8715, 1939. 



Male. — Labial palpi, antennae, head and thorax black, slightly metallic 

 lustrous. Abdomen purplish black with segments 4 and 5 deep orange 

 above and beneath, the orange scales sometimes extending over part of 

 segment 6 ; anal tuft wedge shaped, black, edged with whitish to the tip. 

 Legs black, except for the tibial spurs and posterior tarsi, which are straw- 

 colored ; posterior tibia roughly scaled above ; first tarsal joint thickened 

 with scales. Forewing transparent with veins, costa, and very broad outer 

 margin purplish black, the discal mark long, narrow, nearly straight-edged ; 

 the outer transparent area reduced, subquadrate ; basal transparent area 

 broad and long; underside of forewing slightly shaded with straw color. 

 Hindwing narrowly margined and fringed with dull black. 



Female. — Forewings opaque, violaceous-black ; hindwings more broadly 

 margined than in the male. Tibial spurs and tarsi black. Otherwise like 

 the male. 



Expanse: Male 26 to 34 mm., female 28 to 36 mm. 



