450 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



longer than the thorax; wings hyaline, with very strong violet 

 reflections. 



Reared from the eggs of Ceresa bubalus. 



T. intermedium Howard. 

 Female : somewhat smaller and not quite so dark as the male ; 

 in life honey-yellow; abdomen in life pale, banded transversely 

 with dusky; legs and antennae in life greenish olive, apical two- 

 fifths of tarsi fuscous. Male : length 0.55 mm. ; mostly dirty 

 yellow; face bright yellow, antennae slightly dusky; mesonotum 

 light yellowish gray, metanotum yellow ; abdomen above slightly 

 darker than mesonotum; all coxae dusky, hind femora slightly 

 dusky above, rest of legs dull yellowish; wings with a slight 

 cloud below submarginal vein, the nearly straight line of hairs 

 extending downward from tip of stigma consisting of five hairs, 

 the first one sometimes included in the stigmal club, leaving only 

 four in the row. 



Reared from the eggs of Aglais milberti and (Nisoniades) 

 Thanaos lucilius. Other hosts are: (Danais) Anosia plexippus, 

 (Grapta) Polygonia interrogationis, and CEneis macounii. 



T. flavum Ashmead. 



Female : length 1 mm. ; head wider than thorax, brownish ; 

 antennae 5- jointed, yellowish red, first joint longer than second 

 and third combined, and narrower than second ; third and fourth 

 joints equal in length, narrower than second, apical joint as long 

 as second, third and fourth combined and much wider, claviform ; 

 thorax and abdomen mostly bright yellow, thorax reddish where 

 it joins the abdomen; first to fifth abdominal segments with some 

 brownish color around the spiracles; wings hyaline; legs paler, 

 but uniform in color, tarsi 5-jointed. 



Listed as an American parasite of the cosmopolitan scale, 

 Lecanium hesperidum. 



T. (Pentarthron) minutum Riley. T. minutissimum Pack- 

 ard. T. pretiosum Riley. T. odontota Howard. 



Length about 0.3 mm.; mostly yellow; head wider than 

 thorax; antennae 5-jointed, third and fourth joints in the female 

 forming an ovate mass which is shorter than the second joint, 

 fifth joint obliquely truncate, third, fourth and fifth joints in the 

 male forming a more or less distinct club; hairs of the wings 

 arranged in about fifteen lines; abdomen not as wide as the 



