DIAPHEROMERA.— PHIBALOSOMIN^E. 355 



6. Diapheromera beckeri, Kaup. 



Biapheromera beckeri, Kaup, Berl. ent. Zeitschr. xv. p. 27 (1871). 

 Hab. Mexico. 



7. Diapheromera (?) bidens, Kaup. 



Biapheromera bidens, Kaup, t. c. p. 28 (1871). 

 Hab. Mexico. 



8. Diapheromera (?) strigiceps, Kaup. 



Biapheromera strigiceps, Kaup, t. c. p. 28. 

 Hab. Mexico. 



Subfam. PEIBALOSOMINjE. 



Conspectus generum. 



1. Femora antica superne haud compressa vel superue utrinque sub- 

 zequaliter spinosa. (Sect. EuRYCANTHiE.) 

 2. Femora antica haud oblique compressa, superne lobato-dentata . . Pericentrics, Redt. 

 2'. Femora antica oblique compressa. 

 3. Occiput bicorne. 



4. Apex abdominis ? rostratus Rhynchacris, Redt. 



4'. Apex abdominis ? haud rostratus Phantasis, Sauss. 



3'. Occiput spinosum vel tuberculatum, haud bicorne. 



4. Mesonotum strumosum. Alae J ? distinctse, lobiformes . . Hypocyrtus, Redt. 



4'. Mesonotum haud strumosum. Alas <$ ? desunt [Lamponius, Stal.] 



1'. Femora antica superne plus minusve compressa rite inermia. (Sect. 

 Phibalosomata.) 

 2. Femora antica carina infera mediana margini antico appropinquata ; 

 femora 4 postica subtus ante apicem in carina externa dentibus vel 

 spinis majoribus haud instructa. $ aptera. 



3. Metatarsus superne sulcatus Clonistria, Stal. 



3'. Metatarsus superne carinatus vel cristatus. 



4. Segmentum medianum metanoto distincte brevius. $ apterus. Bostra, Stal. 

 4/. Segmentum medianum metanoto sequilongum vel longius. 



£ plerumque alatus Bacterta, Latr. 



2'. Femora antica carina infera mediana in medio sita; femora 4 postica 

 margine laterali infero saltern externo ante apicem dentibus vel 

 spinis majoribus 1-2 armato. $ ? alatus. 

 3. Femora omnia foliaceo-lobata, antica cum tibiis undulato-dilatata . Pterinoxylus, Serv. 

 3'. Femora antica cum tibiis haud foliaceo-lobata, 4 postica spinosa . Haplopus, Gray. 



