25 
38. (2) Coccophagus flavifrons, n. sp. 
Male.— Length, l mm ; wing expanse, 2 m,n ; greatest width of fore wing, u.:; 
Color: Eyes, clypeus, occiput, abdomen, and dorsum of thorax black, with a pro- 
nounced bluish -metallic luster on abdomen; face, antenna! scape, all legs, except 
hind tibsB, lemon-yellow ; flagelluin of antenna' brown ; teguhe orange yellow ; hind 
tiba 1 brown, with yellowish exti emetics : wing veins fuscous. 
Described from 1 $ specimen ; $ unknown ; bred, April 6, 1882, from 
Lecanium sp. on Pinus australis, collected at Archer, Fla. Two other & 
specimens, nearly agreeing with this species, but each lacking the head 
are in the collection. [0. V. E. Coll.] 
39. (3) Coccophagus cognatus Howard. 
One 3 and 1 9 of this species were bred, April 2, 1881, from Lecanium 
sp. upon leaves of Melia azederach, collected by Mr. G. W. Latimer, at 
Eufaula, Ala. [C. V. R. Coll.] 
40. (4) Coccophagus koebelei, n. sp. 
Male. — Length, 0.84 mm ; wing expanse, 1.59 mm : greatest width of fore wing, 0.34 mm . 
Color: Eyes, head, face, tegulse, all thorax (except tips of meso and metascutelli), and 
abdomen shiny black ; antenna? light brown, scape black; all tibi;e. tarsi (except 
last joint), and tips of femora lemon-yellow ; all tiba?, except at tips, black : tips of 
meao and metascntelli orange-yellow: the line between the black and the yellow 
sharp and distinct, and convex posteriorly. 
Described from 1 $ specimen ; 2 unknown ; bred, April 6, 1882, from 
Lecanium sp. on Pinus australis, collected at Archer, Fla.. by Mr. A. 
Koebele, to whom the species is dedicated. [C. V. R. Coll.] 
Genus Aphelinus Dalinan. 
Antenme 8-jointed ; scape long and slender; pedicel large, subcorneal; joints 
3 and 4 very small: joint 5 as long as pedicel, snbcylindrical : club large, with 
several minute bristles at tip. Mesoscntnm wider than long : parapsides distinctly 
separated, small. Mesoscutelluni very broad and short; snbfusiform, onicoloroes. 
Middle tibial spur slender, as long as first tarsal joint. Fore wings each with an 
oblique hairless line extending from the stigma backwards to the posterior border 
of the wing. Stigma small and inconspicuous, club-shaped, rounded at tip. spe- 
cies generally nnicolorous, either yellow or blackish, very seldom metallic. 
41. (1) Aphelinus diaspidis Howard. 
Nine females of this species were bred from a Mytilaspis on an Orchid, 
an undetermined species of Dycaste from Japan : received February (>, 
1874, from Mr. George Thurber, of the American Agriculturist. [C. V. 
R. Coll.] 
42. (2) Aphelinus mali (Haldeman.) 
Three $ 's of this species were bred at Washington, February 8 and 
15, 1879, from 8chizo*eura lanigera Hausm. [0. V. H. Coll.] 
