June, 1915.] Guatemalan Hemiptera-Heteroptera. 
533 
Pappus breviceps n. sp. 
Approaching P. sordidus Distant, but with the third and fourth antennal 
segments very short. Length 4.5 mm. Width 1.25 mm. 
Head short, deflected; tylus prominent, polished black; eyes prominent. 
Pronotum slightly constricted in front of the middle; with two elevated 
lobes anteriorly, scarcely punctured; posterior portion coarsely punctate. 
Scutellum minutely transversely rugulose-punctate. The clavus and corium 
coarsely punctate. Posterior part of pronotum, scutellum, and hemelytra 
with sparse, minute, decumbent hairs. Antennae with the first segment 
enlarging at the apex, scarcely longer than the head; second segment mod¬ 
erately thick, slender at base, and slightly incrassated towards apex, dis¬ 
tinctly pilose, and three times as long as the first; third segment enlarging 
at the apex, much shorter than the first; fourth segment inflated, subequal 
to the third in length. 
Color. Antennae, eyes, and spot on the meta- and mesopleura black. 
Head, pronotum, and corium ochraceous and shaded with fuscous. The 
front of the head with about six transverse reddish arcs. Prothorax with a 
transverse band before the middle, in the depression reddish-fuscous; a 
submarginal band at base and extending forward on the sides fuscous. 
Scutellum blackish at the sides, with a central obscure ochraceous stripe. 
Membrane fuscous. Legs yellow; femora with a reddish-fuscous band near 
the apex; an indistinct band beyond the middle of the tibiae and the tarsi 
fuscous. 
Described from a single example, taken at Los Amates, Guate¬ 
mala, Feb. 18th, 1905. 
This species seems to be included in the genus Pappus as de¬ 
scribed by Distant, but differs somewhat in the proportional 
length of the antennal segments and in the shorter and more 
rounded front of the head. 
Garganus albidivittis Stal. 
A large series from Guatemala: Santa Lucia. Feb. 2d; Maz- 
atenango, Feb. 3d; Los Amates, Feb. 18th to 28th. Honduras; 
San Pedro, Feb. 21st, 1905. 
Genus Isoproba gen. nov. 
Head globose and connected to the prothorax by a narrow neck; face 
strongly deflected. Antennas slightly setose; first segment shorter’than 
the head (about two-thirds as long); second segment slightly thickened, 
four times as long as the first, or about equal to the third and fourth con¬ 
joined. Rostrum reaching the intermediate coxae. Prothorax narrowed in 
front and flaring behind; the posterior border concave; dorsal surface gib¬ 
bous in front and with transverse depression behind the middle. The base 
of the scutellum tumid. Elytra semitransparent and set with short hairs. 
Type of genus —Isoproba picea. 
This genus can be separated readily from Paraproba Distant 
and allied genera by the more globose head and the peculiar shape 
of the prothorax. 
Isoproba picea n. sp. 
Head globose, slightly wider than long. Eyes not prominent, forming 
part of the contour of the head; tylus slightly projecting, but strongly 
deflected. Antennae with the first segment short, slender at base; second 
segment enlarging slightly towards the apex; third and fourth segments 
slender. 
