98 BULLETIN 190, UNITED STATES NATIONAL MUSEUM 



PALMIA PRAECEDENS (Hy. Edwards) 



Sciapteron praecedcus Hy. Edwards, Papilio, vol. 3, p. 155, 1883 ; Ent. Amer., vol. 3, 

 p. 223, 1888. 



Palmia praecedens Beutenmuller, Bull. Amer. Mus. Nat. Hist., vol. 8, p. 123, 1896 ; 

 Mem. Amer. Mus. Nat. Hist., vol. 1, pt. 6, p. 255, 1901.— McDunnough, Check- 

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

 8767, 1939. 



Female. — ^Antennae orange, black at the tips. Labial palpi orange, w^ith 

 bases sprinkled with black. Head and thorax dark brown, the latter with 

 a red stripe on each side. Abdomen dark brown, with the three last seg- 

 ments and anal tuft light lemon yellow. Posterior tibia red, with a broad, 

 black band at tip ; posterior tarsus light yellow. Forewing dark bronzy 

 brown, with only a narrow longitudinal streak from base to middle of cell 

 translucent ; base of internal margin stained with red. Hind wing bronzy 

 brown with translucent base. Underside of both pairs of wings mottled 

 with red. 



Expanse : 30 mm. 



Type. — Female. In the United States National Museum. From North 

 Carolina. 



Known only from the unique female type specimen. 



HYMENOCLEA, new genus 



Genotype, Sesia palmii Beutenmiiller. 



Sexes very dissimilar in size and coloration. Male antennae strongly 

 pectinate; female antennae simple. Tongue long, spiraled. Labial palpi 

 porrect, second joint with a short, uneven brush on the underside, smaller 

 in the female than in the male, terminal joint smooth, shorter than second. 

 Head and thorax smoothly scaled. Forewing with 11 veins; veins 10 and 

 11 coalescent; 7 and 8 stalked, 7 to apex; 4, 5, and 6 equidistant, parallel; 



2 and 3 also parallel but farther apart froin 4. Hindwing with 8 veins; 



3 and 4 connate or short-stalked ; 7 and 8 obscured in the costal fold. Pos- 

 terior tibiae roughly scaled above; first joint of posterior tarsus slightly 

 thickened with scales. Anal tuft of male large, fan-shaped ; of female, 

 short. Male genitalia of the Synanthedon type; harpe with cucullus 

 rounded; sacculus ridge nearly straight, covered with black bifurcate 

 scales on the upper (inner) half, outer half devoid of scales; aedeagus 

 long, straight, bulbous at base ; cornuti numerous, short, sharp thorns ; 

 vinculum long, slightly bifurcate at tip. Female genitalia with end of 

 ductus strongly sclerotized; bursa oval, without signum. 



HYMENOCLEA PALMI (Beutenmiiller) 



Plate 1, Figure 9; Plate 6, Figures 36, 36a; Plate 14, Figure 66; Plate 23, 



Figures 143, 144 



Sesia palmii Beutenmuller, Journ. New York Ent. Soc, vol. 10, p. 126, 1902. 

 Gaca palmi McDunnough, Check list of the Lepidoptera of Canada and the United 

 States of America, pt. 2, No. 8774, 1939. 



