120 Psyche [December 
Dysdercus alhidiventris Uhler, Bull. U. S. Geol. Geogr. 
Surv. I, 314 (1876). 2 
Dysdercus alhidiventris Distant, B. C. A. Het., I, 229 
(1883). 3 
Dysdercus ruftcollis (excl. syn.) Distant, B. C. A. Het., 
I, 233; Tab. XXL fig. 20 (1883) 
Dysdercus alhidiventris Hussey, Bull. Brookl. Ent. Soc., 
XXII, 235 (1927). 
Dysdercus mimus Hussey, Gen. Cat. Hem. Fasc. Ill, 95 
(1929). 4 
The head, except the black eyes, and the anterior callus 
of the pronotum, ferruginous (8’h), the latter with a 
slightly yellower tinge than the former; the episterna, 
coxse, femora, proximal joints of the rostrum and the mac- 
ulae covering, in the male, the anterior part of the disc of 
the fourth, the greater part of the fifth and the anterior 
half of the sixth visible abdominal sternites, and in the fe- 
male the anterior half of the fourth, fifth and sixth visible 
abdominal sternites, orange-ferruginous (ll’i) ; the poste- 
rior disc and lateral flanges of the pronotum, the clavus 
and the corium, luteous (17”) ; the abdominal sternites 
pale luteous (21”d) ; the anterior collar of the pronotum, 
margined posteriorly by a fine impressed black line, the 
epimera and acetabula, eburneous; the antennae, scutellum, 
distal joints of the legs and rostrum, the very narrow an- 
terior margins to the second to sixth visible abdominal 
sternites, and the membrane, black, the last named nar- 
rowly albido-limbate at the apex. 
The clavus and corium thickly punctate, the anterior 
collar and posterior disc of the pronotum, the epimera and 
the acetabula, more sparsely punctate, the rest of the body 
impunctate. 
The rostrum reaching the posterior margin of the second 
visible abdominal sternite. 
The male parameres with two spurs projecting down- 
ward toward the ventral surface ; the distal one perpendicu- 
lar to the axis of the paramere, dorso-ventrally flattened, 
tapering to a point ; the proximal one in the same plane as 
and with its distal edge parallel to the distal one, but 
broader, laterally flattened and with the apex forming an 
