Hrunf.r : S<nrii vVmhuicax Tetkicid.k. 10*> 



the foniuT (luriiii; April ami ihr lalti-r in June. Carnegie Musenm, 

 I'ilt>l)ur^h. 



Sclerotettix minor sp. nov. 



The ^iresont species is quite similar in its general slruclurr to the pre- 

 ccdinii, but dilters troiu it in IjeiniL^ much smaller in size, in the much 

 paler color, the more i^rominent median carina of the pronotum, the more 

 decidedly lobate lower carina of the middle femora, and the smoother 

 hind femora. 



The general color of this insect is testaceo-ferruginous, relieved by 

 a pair of triangular velvety black patches on the disk between the scapu- 

 lar areas. The thighs and tibia; are also more or less varied by fuscous 

 markings. 



Length of body, 6^, 4.5 mm., 9 , 6.25 mm.; of pronotum, cT, 7 mm., 9 , 

 8 mm.; of hind femora, cf and 9, 4 mm. 



Habitat. — The single pair at hand is from Chapada, Brazil, where they 

 were collected during April and May by H. H. Smith. They are deposited 

 in the Carnegie Museum, Pittsburgh. 



Genus Metrodora Bolivar. 



Melrodora Boliv.\r, Ann. Soc. Ent. Belg., XXXI, 1887, 247-248, pari. — Hancock, 

 Genera Insectorum, fasc. 48, 1906, 41. 



This genus has been greatly restricted by Hancock (see Genera Insec- 

 torum, fasc. 48, p. 41, footnote). Other species have been referred to 

 the genera Otnmba, Chiriquia, and Scabrotettix. 



Metrodora rana Bolivar. 



Metrodora rana Bonv.\R, Ann. Soc. Ent. Belg., XXXI, 1887, 248. — Hancock,. 

 Genera Insectorum, fasc. 48, 1906, 41. 



Habitat. — Upper Amazon. Not contained in the Smith collection or 

 other South American material submitted for study by the Carnegie 

 Museum. 



Metradora lutosa Bolivar. 



Metrodora lutosa Bolivar, Ann. Soc. Ent. Belg.. XXXI, 1887, 248. — Hancock, 

 Genera Insectorum, fasc. 48, 1906, 41. 



Habitat. — Brazil. Not at hand to be included in the present report. 

 These two species of the genus Metrodora may be separated as follows: 



A. The median carina of the vertex only gently produced; the posterior femora 



unarmed above rana Bolivar. 



.4.-1. The median carina of the vertex greatly- produced; the posterior femora 

 denticulate above lutosa Bolivar. 



