HEMIPTERA HETEROPTEEA. 
83 
21. Largus concisus. 
Fcein. Saturate rufus, ellipticus, rohustus, capite rostra antennis pro- 
thorace anlico pectore ahdomine pedibusque nigris ; rostrum coxas 
intermedias attingens ; antennce corporis dimidio paullo longiures ; 
scutellum et corium basi nigra ; corium margine exteriore nigro ; 
membrana albida. Var. (5. — Pectus ferrugineum ; venter strigis 
utrinque transversis lanceolatis apiceque Jiavis. 
Female. Deep red, stout, elliptical, largely punctured. Head, rostrum, 
antennae, fore division of prothorax, pectus, abdomen and legs black. Head 
triangular. Eyes very prominent. Rostrum extending to the middle coxae. 
Antennae a little more than half the length of the body; first joint longer 
than the head; second hardly more than half the length of the first; third 
shorter than the second ; fourth shorter than the first. Prolhorax with a 
distinct transverse furrow near the fore border. Scutellum and corium black 
at the base. Legs stout; fore femora with three spines beneath. Corium 
with a black exterior border ; membrane whitish. Far. /3. — Pectus ferru- 
ginous. Abdomen beneath with transverse hinceolate yellow streaks on 
each side; tip also yellow. Length of the body 6 lines. 
a. Amazon Region. Presented by \Y. W. Saunders, Esq. 
b. Demerara. Presented by F. Moore, Esq. 
c. Brazil. Presented by W. W. Saunders, Esq. 
d. e. Rio Negro. From Mr. Wallace’s collection. 
22. Largus pulverulentus. 
Mas. Niger, fiisi for mis, robustus, cano tomentosus ; rostrum coxas inter- 
medias attingens; prothorax margine lateribusque posticis Jiavis ; 
pedes ruji, tibiis tarsisque nigris ; corium Jiavum, nigro punctatum et 
unimaculatum ; membrana nigra. 
Male. Black, fusiform, stout, with hoary tomentum. Head conical. 
Eyes piceous, very prominent. Rostrum extending to the middle coxae. 
First joint of the antennae about twice the length of the head. Prothorax 
with a very slight transverse furrow at somewhat behind the middle; hind 
part of each side and hind border pale yellow. Legs red, stout; tibiae and 
tarsi black ; fore femora beneath with two black subapical spines. Corium 
pale yellow, thickly punctured with black ; a large transverse black spot 
in the disk beyond the middle. Membrane black. Length of the body 
— 7^ lines. 
a. Orizaba. From M. Salle’s collection. 
23. Largus obtusus. 
Fcem. Niger, fusiformis, subtus cinereo tomentosus; rostrum coxas 
intermedias attingens; antennce corporis dimidio paullo longiores; 
prothorax luteo marginatus ; scutellum apice luteum ; corii costa 
lutea ; membrana fusca, nigro venosa. 
Female. Black, fusiform, very finely punctured, with cinereous 
tomentum beneath. Head triangular. Eyes very prominent. Rostrum 
extending to the middle coxce. Antennae a little more than half the length 
r 
