1923] The Fulgorid.^ of Eastern North America 169 



237. Genital hooks long, reaching the anal segment 647 If. longicornis Dozier' 

 Genital hooks wanting 649 238 



238. With a pale median dorsal vitta, genital plates ligulate, obtuse 648 



M. notulus Germar 



Without a pale mid-dorsal vitta, genital plates broadly triangular, acute 



649 M. distinctus Metcalf 



239. Anal processes four, iiook-like 650 M. cestus Metcalf 



Anal processes two 651 240 



240. Genital hooks strongly i-eflexed, hook-like, genital styles obtuse at the apex, 



not reflexed 651 M. uncus Metcalf 



Genital hooks elongate, straight, obtuse; genital styles with their apices 

 bent at right angles 652 M. aiiticosUts Metcalf 



241. Color dark, almost uniform black or piceous 242 



Color light, marked with darker 7 M. angulatus Osborn 



242. Calcar very large, as long as the first segment of the tarsus 



M. davisi Van Duzee 

 Calcar smaller, not as long as the first segment of the tarsus 



M. piceus Van Duzee 

 PROKELISIA 



243. Frons very broad at the apex, three times as broad as at base 416 



Prokelisia marginata Van Duzee 

 Frons about twice as broad as at base 419 P. setigera Osborn 



KELISJA 



244. Fore wings vittate with brown, sutural margins pale 109 



Kelisia axialis Van Duzee 

 Fore wings not vittate 245 



245. A'ertex distinctly longer than broad, with a pale median vitta 423 



K. crocea Van Duzee 

 Vertex barely as long as broad, without a pale median vitta 424 



K. parvula Ball 



megamelanus 



246. Vertex very long, its length beyond the eyes equal to or greater than the 



long diameter of the eyes 425 247 



Vertex not as long before the eye as the long diameter of the eye 434 250 



247. Frons nearly parallel sided and much elongate 426 



Megamelanus terminalis Metcalf 

 Frons broader below, somewhat narrowed between the eyes 430 248 



248. Fore wings with a distinct white stigmatal and anal spots 38 



M. lautus Metcalf 

 Fore wings without distinct stigmatal and anal spots 249 



249. Wings pale, with fuscous spots apically 122 M. elongatus Ball 



Wings uniform black 110 M. dorsalis Metcalf 



