86 ENTOMOLOGICAL NEWS. [Mar., '06 



Descriptions of New Genera and Species of the Or- 

 thopterous Tribe Tettigidae. 



BY DR. JOSEPH L,. HANCOCK, F. E. S. (London). 

 During the preparation of an article on " Tettigidse" 

 for Wytsman's " Genera Insectorum," I have taken the oc- 

 casion to review a large number of specimens of this group, 

 with the result that I have met with a number of new genera 

 and species. I have deemed it expedient to describe some of 

 these here, in advance of the publication of the article above 

 referred to. The most interesting species in the series is Am- 

 phibotettix longipes. It is to be regretted that no actual observa- 

 tions of their habits have been made, yet there is hardly any 

 doubt, that this species is fond of living in the water, similar 

 to Scelhymena* This fact is evidenced by the extraordinary 

 dilatation of the lateral margins of both the tibiae, and the 

 metatarsi of the hind legs. 



SECTION SCELHYMEN^:. 



AMPHIBOTETTIX gen. nov. 



Characters : Allied to Scelhymena. Body granose, indis- 

 tinctly nodulose, barely fossulate. Vertex short, small, 

 strongly narrower than one of the eyes, middle feebly cariuate, 

 the frontal carinse moderately distinct, narrowly convergent 

 forward, formed anteriorly into a nearly hemispherical margin, 

 not advanced so far as the eyes. Face oblique ; frontal costa 

 narrowly sulcate, lightly produced. Eyes globose ; ocelli con- 

 spicuous and placed between and little before the lower third 

 of the eyes. Antennae very slender, reaching the humeral 

 angles, filiform, consisting of fourteen distinct articles, in- 

 serted barely between or just before the ventro-anterior margin 

 of the eyes. Pronotum anteriorly truncate, or little ascendant, 

 produced in a short cylindrical spine, directed upward and for- 

 ward above the occiput, posteriorly lengthily extended back- 

 ward beyond the femoral apices and acute, dorsum distinctly 

 flattened, humeral angles strongly obtuse, often with indis- 

 tinct humero-apical carinae ; median carina of pronotum lightly 



*Thc correct spelling of Srrlitnena Servillc, is undoubtedly Sct'lliyim-na, as jfivcn by 

 Bolivar, vide Ann. Soc. Ent., France, LXX, p. 581, 1901. 



