8 BULLETIN 190, UNITED STATES NATIONAL MUSEUM 



pencils on segment 8, two lateral pairs and one anal; female with two 

 shorter lateral hair pencils and anal tuft short, rounded. Forewing with 

 12 veins ; 7 and 8 stalked ; 7 to costa just above apex ; 10 and 1 1 approxi- 

 mate but separate and parallel ; lb faint. Hindwing with 8 veins ; 8 weak 

 and obscured in the costal fold ; 7 strong but also involved in the fold ; 5 

 and 6 parallel ; 6 to costal edge ; 3 and 4 short-stalked. Male genitalia of 

 the Synanthedon type; aedeagus long, straight, slightly bulbous at base, 

 widened at outer third and there roughened and armed on one side with 

 six to eight short stout spines ; tip thinly sclerotized ; cornuti, numerous 

 minute spines ; harpes pointed ; sacculus sharply protruded at tip ; sacculus 

 ridge short, horizontal, sharply bent downward, with strong, flattened, 

 forked spines, nearly reaching dorsal edge. Female genitalia with wide 

 vase-shaped ostium ; ductus strongly sclerotized and slightly curved on its 

 terminal half ; bursa small, oval, thin-walled, without signum. 

 The genus contains only the following species : 



SANNINA UROCERIFORMIS Walker 



Plates 1, 4, 13, Figures 1, 28, 28a, 58 



Sannina uroceriformis Walker, List of the specimens of lepidopterous insects in 

 the collection of the British Museum, pt. 8, p. 64, 1856. — Beutenmuller, Mem. 

 Amer. Mus. Nat. Hist., vol. 1, pt. 6, p. 242, 1901.— Dyar, U. S. Nat. Mus. Bull. 

 52, p. 365, No. 4172, 1902.— Holland, The moth book, p. 382, 1903.— Herrick, 

 Can. Ent., vol. 39, p. 265, pi. 8, 1907.— McDunnough, Check list of the Lepi- 

 doptera of Canada and the United States of America, pt. 2, No. 8765, 1939. 



Aegeriaf quinque-caudata Ridings, Proc. Ent. Soc. Philadelphia, vol. 1, p. 277, 1862. 



Saunina uroceripennis Boisduval, Histoire naturelle des insectes : Species general des 

 lepidopteres heteroceres, vol. 1, p. 465, 1874. 



Sospita quinqiiecaudata Hy. Edwards, Papilio, vol. 2, p. 56, 1882. 



Phemonoe quinqiiecaudata Hy. Edwards, Papilio, vol. 2, p. 97, 1882. 



Male. — Head and antennae blue-black. Labial palpus black, intermixed 

 with orange at base of second joint. Collar orange. Thorax blue-black,, 

 patagia orange; underside and legs wholly blue-black. Abdomen blue- 

 black, with segment 4 and sometimes segment 5 orange above ; anal tuft 

 and appendages black. Forewings opaque throughout, blue-black. Hind- 

 wings opaque, blue-black with small transparent areas between the veins 

 basally. Underside of wings same as above. 



Female. — Similar to the male, but with only two short anal hair pencils 

 laterally above the short, rounded anal tuft. 



Alar expanse : Male and female 28 to 32 mm. 



Distribution. — Atlantic Coast and Gulf States from New Jersey to 

 Texas, westward to Ohio, Indiana, Oklahoma, Missouri, and Kansas. 



Food plant. — Diospyros virginiana. 



Type. — Female, collected in the United States, without definite locality. 

 In the British Museum. 



