CICADELLINAE : PART I. PROCONIINI 



253 



In view of the recency of Nielson's work and its availability, no key 

 and no checklist of species are included, and only enough illustrations 

 are shown to enable the reader to verify his generic identification. 



FioxjRE 244. — Cuerna spp. : c from specimen from Yepocapa, Guatemala; 

 others from Colorado. 



53. ANACJJERNA, new genus 

 Figure 245 



Type-species: Cuerna centrolinea Melichar (1925a:365). 



Length 7.4-8.6 mm. 



Head moderately produced, its median length approximately seven- 

 tenths its interocular width and less than half its transocular width, 

 anterior margin broadly rounded in dorsal aspect, without a carina at 

 transition from crown to face, ocelli located slightly behind a line 

 between anterior eye angles, each closer to adjacent eye angle than to 

 median line, without a median fovea, with or without a transverse 

 concavity between ocelli, without an M -shaped elevation bordering 

 posterior margin, disc not pubescent, lateral clypeal sutures extending 

 onto crown and attaining ocelli; antennal ledges slightly protuberant 

 in dorsal aspect, in lateral aspect each with a longitudinal concavity 



