60 J.YGJE1DJE. 



C-. Head with eyes a little wider than 

 anterior margin of pronotum. 

 h^. Fourth joint of antennte shorter 



than second Mizaldus, p. 68. 



d. Pronotum very little longer than lialf the 

 width at base. 

 a. Pronotum transversely constricted. 

 «'. Lateral margins of pronotum strongly 

 sinuate at region of constriction. 

 a^. Scutellum much shorter than half 

 the length of abdomen. 

 aK Autemife robust, antennal joints 



almost uniformly thick Sinierus, p. 65. 



fj\ Antennae slender, apical joint 



incrassated Entisberus, p. 66, 



P. Scutellum very large, nearly half 



as long as abdomen Lemnius, p. 66. 



6". Lateral margins not, or obscurely, 

 sinuate at region of constriction. 



c^. Scutellum excavated Arbianus, p. 74. 



d'\ Scutellum not excavated. 



a'. Corium with veins very promi- 

 nent ; clavus linearly marked, 



not punctate Suefenus, p. 75. 



h'. Corium and clavus punctate, 

 rt'-^. Posterior margin of pronotum 

 concavely sinuate. 

 a^. Scutellum only slightly lon- 

 ger than broad Cligenes, p. 72. 



b\ Scutellum distinctly longer [p. 75. 



than broad Pebitbechus, 



b'^. Posterior margin of pronotum [p. 70. 



truncate Tbopistethus, 



b'. Pronotum not transversely constricted. 

 a-. Lateral pronotal margins sinuate, 



posterior pronotal margin concave . Thebanus, p. 67. 

 b'-. Lateral pronotal margins not sinuate, 



posterior pronotal margin truncate . Diniella, p. 73. 



Geuus PRIMIERUS. 

 Primierus, Bist. A.M. N. If. (7) viii, p. 477 (1901). 



Type, P. bispiniis, Motsch. 



Distribution. Oriental Region. 



Head moderately long and slender, almost as long as the 

 pronotum, pointed in front, the central lobe produced before the 

 lateral lobes ; antennae with the basal joint stout, reaching for 

 about half its length from the apex of the head, second longest 

 and slender, third slender, shorter than second, and very slightly 

 clavate at apex, fourth slightly thickened, about as long as third or 

 a little shorter ; rostrum about reaching the posterior coxoe, basal 

 joint shorter than the head. Pronotum with a narrow collar, 

 strongly constricted near middle, the anterior lobe moderately 



