$20 LIST OF HOMOPTEROUS INSECTS. 
DaRIDNA SUBTANGENS. 
Fem. Pallide flava ; verticis discus niger ; frons nigro bilineata 
et bivittuta; thorax vittis tribus nigris, lateralibus ferrugineo 
marginatis ; abdomen viride, fasctis abbreviatis nigris ; tarsi 
anteriores nigri, postict apice nigri; ale antice albide, vitta 
arcuata linea postica strigaque apicali obliqua fuscis ; postice 
vitree, margine strigaque apicali cinereis. 
Female. Pale yellow. Disk of the vertex black ; front with a 
black line on each side by the eye, and with two black stripes which 
are united towards the black rostrum. Thorax with three black 
stripes, the lateral pair bordered with ferruginous. Abdomen pale 
green, with abbreviated black bands. Oviduct black. Anterior 
tarsi black ; hind tarsi with black tips. Fore wings whitish, with a 
curved brown stripe, which extends from near the base to near the 
tip of the costa and approaches the hind border; a brown line along 
the latter is connected with the stripe at the tip of the wing, where 
there is an oblique brown streak. Hind wings vitreous, gray along 
the hind border and at the tips, where there is a short broad gray 
streak. Length of the body 4 lines; of the wings 7 lines. 
a. Villa Nova. From Mr. Bates’ collection. 
DanRIDNA EXOPTATA. 
Lete flava ; caput nigro fasciatum, subtus nigro biviltatum ; tho- 
rax nigro fasciatus ; femora basi nigra; tibia tarsique apice 
nigra ; ale vitree ; antice submetallice, basi margine postico 
fascia subapicali apicibusque nigris; postice apice nigra. 
‘Bright yellow, yellowish white beneath. Head with a broad 
black band on the vertex, and beneath with two black stripes, which 
are united towards theiproboscis. Thorax with a broad black band. 
Femora black towards the base; tibia and tarsi with black tips. 
Wings vitreous. Fore wings with a slight metallic tinge, black at 
the base and along the hind border, and with a broad subapical 
black band; tips blackish. Hind wings black towards the tips. 
Length of the body 3} lines; of the wings 8 lines, 
a. Para. From Mr. Bates’ collection. 
6, Santarem. From Mr, Bates’ collection. 
