14 
20. (4) Encyrtus puncticeps, n. sp. 
Female. — Length, 2. 2 mm ; expanse of wings 4.42 mm ; greatest width of fore wing, 
0.69 mm . Scape, slender, not widened; pedicel, stout, conical; funicle joints, except 
first and second, wider than long, and the exceptions are but slightly longer in pro- 
portion to their width ; club flattened, pointed at tip and very obliquely truncate 
from near base to tip. Head and face very thickly and finely punctulate; ocelli in 
a somewhat acute-angled triangle ; mesonotum thickly and finely punctate. Color: 
Head dark reddish- brown, scape and pedicel the same, fnnicle blackish, club black ; 
margin of eyes black; pronotum dusky; mesonotum dark honey-yellow, with the 
scuto-scutellar furrow and the tips of scapulae black; tegulas light yellow, black at 
tips; metanotum and abdomen, black; front, middle, and hind coxae and femora and 
front and middle tibiae, honey-yellow; hind tibiae and tarsi metallic blue-black; 
middle tarsi, except basal half of first joint, black ; front tarsi dusky. Wings hyaline 
except a subcircular brown patch just beneath stigma; marginal vein lacking, post- 
marginal short. 
Described from 2 $ specimens collected at Arlington, Va., September, 
1881. [C. V. K. Coll.] 
21. (5) Encyrtus bucculatricis Howard. 
This species, which was described and figured in Lintner's first report 
as State entomologist of ^N"ew York, was first bred by Professor Riley, 
in the spring of 1874, from the cocoons of Bucculatrix pomi/olieUa (col- 
lected at Allenton, Mo.), together with Cirrospilus flavicinctus Riley, a 
small Braconid and a minute Tetrastichid, the latter being probably a 
secondary parasite. The Encyrtus was by far the most numerous 
of these parasites, and was continually issuing from the latter part of 
March until the first week in July. 
In July, 1884, it was bred from the cocoons of a Bucculatrix on oak on 
the Department grounds at Washington. From one to three of the 
parasites issued from a single cocoon. The species was originally de- 
scribed from the 9 only, but among these last bred was one S . The 
male is somewhat smaller than the female, the tibiae are dark brown 
in color, and the antennae light brown. The joints of the flagellum are 
well separated and furnished with well-marked whorls of hair. [0. V. 
R. and Dept. Agr. Coll.] 
22. (6) Encyrtus trioziphagus, n. sp. 
Female. —Length, 1.3 mm ; wing expanse, 2.9 mm ; greatest width of fore wing, 0.51 ram . 
Antenual scape stout, short, not reaching to top of the eyes, with no foliation below ; 
pedicel short, conical, as thick as long and not exceeding in length the first funicle 
joint; joints of funicle hard to distinguish, somewhat flattened and subequal in 
length, sixth as broad as long; club subfusiform, as long as three preceding funicle 
joints together. Antennal grooves deep; two slight malar impressions; clypeus and 
vertex covered with fine punctures, lower face smooth, eyes wide apart; ocelli form 
a very obtuse angled triangle. Mesonotum delicately shagreened, with slight, sparse 
punctures, each giving rise to a short, delicate hair; no marked difference between 
6cutum and scutellum in punctuation ; axillae just meet at tips. Wings perfectly 
clear; marginal vein wantiug; stigmal one-third longer than postmarginal. Abdo- 
men nearly circular, sunken in center. Color : Flagellum of antennas brown ; scape 
and pedicel black, with a greenish lnster; lower part of face with a brilliant pur- 
plish-bine luster; clypeus and vertex dark coppery-brown; pronotum, coppery; 
