88 The University Science Bulletin. 



Head broader than long, yellow, feebly punctate, very hairy; base slightly, 

 uniformly curved; eyes large, bro^vn; ocelli prominent, red, nearer to each 

 other than to the eyes; inferior margin of face sinuate; clypeus yellow with 

 two vertical stripes of red; base hairy. 



Pronotum coarsely punctate, densely pubescent, brown mottled with green; 

 dorsum rounded, slightly depressed behind middle, lateral margin curved 

 downward at middle; posterior process short, suddenly acute, not reaching 

 tips of tegmina. 



Tegmina smoky hyline, veins very prominent, nearly all of basal half below 

 pionotum strongly punctate, tips clouded with fuscous; hind wings iridescent. 

 Undersurface of head and thorax fuscous; abdomen flavous. Femora and 

 tibiae strongly marked with dark brown. 



Length, 7.6 mm.; width, 3.2 mm. 



Internal male genitalia. Styles rather short and broad, especially 

 basally, posterior portion more slender, apices curved strongly 

 laterad and ending in a small but distinct terminal hook on the 

 lateral margin, in front of which is a distinct prominence which 

 tapers gradually to the hook, the apical fourth of the styles bearing 

 a few spines; connective almost pentagonal, with a pair of distinct 

 knobs at the basal angles; oedagus, viewed laterally, U-shaped, 

 anterior process with a large anterior prominence near the middle, 

 posterior arm curved, the apex bearing the functional orifice caudally 

 and many filelike and distinct teeth on its cephalic aspect. 



Distribution. Reported by Van Duzee from Ontario, New Hamp- 

 shire, Massachusetts, New York, New Jersey, Pennsylvania, District 

 of Columbia, Virginia, Georgia, Florida, Illinois and Michigan. 

 There are specimens in the Snow collection also from Wisconsin, 

 Arizona and Kansas City, Mo. It has also been taken in Potta- 

 watomie county, Kansas. 



Hosts. Oaks. 



Ophiderma jiaviguttula Coding. 



Ophiderma jiaviguttula Coding, Bui. 111. St. Lab. Nat. Hist., iii, p. 438, 1894. 

 Ophiderma flavoguttata Slosson, Ent. News, xvii, p. 326, 1906. 



The original description follows: 



Female. Head triangular, yellowish; eyes prominent, dark brown; ocelli 

 equidistant from each other and from the eyes, red; convex, densely pubes- 

 cent. Prothorax with very slight median carina, densely pubescent, an 

 irregular yellow patch starting at lateral border and extending upwards and 

 forwards, midway between base and apex; an irregular band at base, con- 

 colorous with head, extending along sides in a greenish gray line; otherwise 

 dirty brown, lightly punctvired; apex of posterior process not reaching apex 

 of tegmina. Tegmina' subcoriaceous at base, lightly punctured, basal half 

 and apex brown. Below yellow, feet and legs brown. 



Length, 6.2 mm. 



