LISf OF HOMOPTEROUS INSECTS. 141 
dilated on each shoulder, keeled, compressed, and with an undu- 
lating impressed line on each side hindward, attenuated towards the 
tip, which is very acute, and extends some distance beyond the ab- 
domen; a brown dorsal line, black where it passes along the keel. 
Wings vitreous. Fore wings slightly lurid, with a black streak at 
the tip of the costa. Length of the body 3 lines; of the wings 7 
lines. 
a. Constancia, Province of Rio. Presented by the Rev. Hamlet 
Clark. 
Genus ERECHTIA. 
Corpus breve, latum. Caput magnum.  Prothorax antice 
convexus, antice subcarinatus, carinis tribus dorsalibus parallelis, 
lateralibus abbyeviatis. Pedes breviusculi, sat validi ; tibia posticw 
serrate, latiuscule. Ale anticw breviuscule, arevlis discalibus 
distinctis. 
Body short, broad. Head large. Prothorax convex and 
hardly keeled in front, with three parallel dorsal keels ; the lateral 
pair abbreviated; the middle one continued to the acute tip. Legs 
rather short and stout; hind tibia serrated and rather broad. Fore 
wings rather short; discal areolets distinct. 
ERECHTIA BICOLOR. 
Picea ; prothorax testaceo bifasciatus ; cornu posticum abdomen 
perpaullo superans ; abdomen testaceum, fascia basali nigra ; 
pedes testacet, femoribus anticis basi piceis, tibiis piceo nota- 
tis; ale vitree, venis pallidis; antice apices versus fusco 
subnebulose. 
Piceous. Prothorax with two pale testaceous bands, which are 
united on each side; hind keel extending very little beyond the tip 
of the abdomen. Abdomen testaceous, with a black band near the 
base. Legs testaceous; fore femora piceous towards the base; a 
piceous mark on- each of the tibie. Wings vitreous; veins pale, 
Fore wings slightly clouded with brown towards the tips. Length 
of the body 1} line; of the wings 3} lines. 
a. Santarem. From Mr. Bates’ collection. 
