12 
BTLLETIX 964. U. S. DEPARTMENT OF AGRICULTURE. 
The male (fig. S) has the normal form of the Hemiptera, while 
the brachypterous female may easily be taken- for another species. 
The maeropterous female (fig. 9) resembles the male, having long 
wings but is somewhat larger than the male. 
H. H. Knight, of the department of entomology. Cornell Uni- 
versity . Ithaca. X. Y.. has kindly drafted the following redescription 
of the adult, from soecimens furnished bv the writer from Columbia, 
S.C. 
Slightly smaller and less shining than apterus L.: in addition to the vestiture of 
very hne pale pubescence, having on the dorsum deciduous tomentose patches which 
give silvery to greenish reflections as in intermedins TJhler. 
ilALE MACROPTEROUS). 
Length 2.1 mm. (1.9 to 2.1 mm. . width 0.74 
mm. : slightly smaller and more slender than 
the female. 
Bead. — Length 0.22 mm., width across eyes 
0.56 mm., vertex 0.31 mm. Nearly vertical, 
front prominent, more or less sulcate at the. 
base of the tylns: black, shining: carina form- 
ed by a sharp basal margin of the head. Rost- 
rum reaching to the posterior margin of the 
middle coxae: first two segments black, the 
third and all but the apex of the fourth 
pale. 
Antennae. — Long and slender, reaching be- 
yond the tip of the membrane: segment 1, 
length 0.25 mm., pale, sometimes darkened 
at the apex, two or three prominent bristles 
just before the tip : IT. 1.05 mm. . black, linear, 
and slender: III. 0.83 mm... fuscous to black, 
usually pale at the base, more slender than the 
second: IV. 0.54 mm., fuscous, very slender. 
Pronotum. — Length 0.40 mm. . width at base 0.74 mm., collar and calli not apparent : 
black, moderately shining, the disk having patches of deciduous tomentose pubescence 
as on the hemelytra. Scutellum. sternum, and pleura? Hack, moderately shining. 
Hemelytra. — Sides nearly parallel: black, the clavus and coriuin having patches of 
deciduous tomentose pubescence, the patches arranged in more or less definite rows; 
cuneus black, the apex pale yellowish. Membrane pale, tinged with fuscous, one 
cell apparent but not distinct. 
Legs. — Long and slender, the hind femora saltatorial. coxae black, front and middle 
femora pale yellow, the hind pair black with the apex pale: tibiae pale yellow, the 
hind pair fuscous near the base: tarsi pale yellowish, the tips fuscous, claws black. 
Venter. — Black, moderately shining, genital claspers small but distinctive of the 
species. 
FEMALE .;MACROPTEROU> . 
Length 2.17 mm., width 0.95 mm., very similar to the male but more robust and 
having the second antennal segment and the femora differently colored. 
Head. — Length 0.25 mm... width across eyes 0.57 mm., vertex 0.31 mm. : not differ- 
ing from the male. 
Antenna. — Segment I. length 0.22 mm., fuscous to blackish, paler at the base; 
II. 0.9S mm., pale with the basal and apical one-fourth blackish: III, 0.77 mm., 
fuscous, pale toward the base: IV. 0.4$ mm., fuscous. 
Fig. 7. — Halticus citri: Brachypterous 
female. Greatlv enlarged. 
