HECALUS. 273 



and is outwardly curved before its middle, and a waved oblique 

 line from claval apex to bases of apical areas, sanguineous ; body 

 beneath and legs very pale ochraceous ; structural characters as 

 in generic diagnosis. 



Length 4 millim. 



Hah. Tenasserira ; Myitta (Doherty). 



Division HECALUS ARIA. 



Body depressed ; vertex more or less flatly produced ; ocelli 

 placed on the apical margin of the head or near the eyes. 



Sijno2)sis of Genera. 



A. Vertex not prominently angulate in front 



of eyes. 



a. Tegmina with five apical cells Hecalus, p. 27-3. 



b. Tegmina with about six posterior dis- 



coidal areolets or cells Thomsoniella, p. 27' 



c. Tegmina with four apical cells. 



a. Lateral margins of face convex. 



a'. Vertex twice or nearly twice as 



long as pronotum ; face about 



three times longer than clypeus . . Nirvaxa, p. 281. 

 b'. Vertex about one-third longer 



than pronotum; face about twice 



as long as clypeus Kana, p. 285. 



b. Lateral margins of face sinuate near 



insertion of antennae Platyretus, p. 289. 



B. Vertex strongly obliquely angulate in front 



of eyes ....'. : . Balbillus, p. 287. 



Genus HECALUS. 



Hecalus, Stal, Ann. Soe. Ent. Fr. 1864, p. Go; id. Hem. Afr. iv, 

 p. 11.3 (18G6); Sign. Ann. Soc. Ent. Fr. 1879, p. 266; Afkins. 

 J. A. S. B. liv, p. 102 (1885). 



Glossocratus, Fieb. Verh. z.-b. Ges. Wien, xvi, 1866, t. vii, f. 12 ; id. 

 Eeo. Mag. Zool. (3) ii, p. 403 (1875). 



Type, H. payJcuUi, Stal. 



Distribution. Nearctic, Oriental, Australasian and Ethiopian 

 Regions, in all probability more widely distributed. 



" Body oblong or elongate, depressed ; head somewhat largely 

 or somewhat so, produced, apical margin acute, more or less broadly 

 foliaceous ; front dilated, somewhat deeply sinuate below the eyes ; 



