-<'i2 ICITNKUMONin^K. 



1'. Mesostenus intnidens. 



Female. Length 5-5| lines. — Yellowish white, variegated with 

 black. The head behind and a line from the vertex to tlie antenniic 

 black ; the mesothorax black, with two short longitudinal wliito 

 lines on the disk ; the teguloe, a line from them to the base of the 

 scntellum, a line from the apex of the scutcllum to the base of the 

 wings, also a line from the postscutellnm to the wings white ; the 

 scutellum at its apex and the postscutollum white ; the metathorax 

 black at the base, and with three black lines from there to the 

 apex, the base longitudinally and the apical portion transversely- 

 striated ; the two intervening yellow spaces each with a stout 

 yellow spine ; wings hyaline ; the tibiae black above, the coxae also 

 with black markings. The abdomen with black fascia) ; the ovi- 

 positor black. The antenna} with a white anuulus. 



Hab. Costa llica. Cache and Irazu. 



JOPPA, Fabr. 



1. Joppa Mlaris. 



Length 4i lines. — Pale yellow, with the vertex, the antennae, the 

 mesothorax, scutellum, postscutellum, base of the metathorax, a 

 spot beneath the wings, the tibiae and tarsi, and the fourth and 

 following segments of the abdomen black ; wings black at the base 

 and apex, the intermediate space flavo-hyaline. 



Ilab. Costa Eica, Cache. 



2. Joppa variolosa. 



Length 5 lines. — The vertex and thorax above fulvo-ferruginous ; 

 the head in front, the thorax beneath, and the firsst and second seg- 

 ments of the abdomen nearly white ; the antennae and a spot en- 

 closing the ocelli black. Wings fulvo -hyaline, the nervures ferru- 

 ginous, the apex dark fuscous : legs black ; the anterior pair, with 

 the tibiae, tarsi, tips of the femora, and the coxae whitish ; the in- 

 termediate pair with the coxae, trochanters, base and apex of the 

 femora, and the tibiae, except their apex, whitish ; the posterior 

 pair have the base of the femora and the tibiae, except their apex, 

 whitish. Abdomen with the first to fourth segments longitudinally 

 striated. 



Hab. Costa Rica, Cache. 



3. Joppa pulchripennis. 



Female. Length Tg lines. Black ; the wings hyaline from their 

 base to the areolet, beyond which tliey are blackish brown, as is 



