M1CR0KHAGUS. 251 



and parallel at the base, arcuately narrowed at the apical third, disc convex, closely subasperately punc- 

 tate, colour pale yellow, a broad median black space arcuately wider posteriorly ; elytra finely striate, the 

 striae distinctly punctate at the apical third and at the sides, intervals moderately closely submuricately 

 punctate, somewhat transversely wrinkled near the base ; epipleurae yellow at the base ; pronotum beneath 

 yellow, except a narrow space exterior to the propleural grooves, these narrow, the outer carina not 

 reaching the base ; propleural area wider at the base than long, the posterior inferior supplementary line 

 sinuous, extending two-thirds to the apex ; metasternum in front margined with yellow, its episternum 

 narrow but parallel ; abdomen finely sparsely punctate, brownish, broadly darker at the middle, more 

 narrowly at the sides ; legs piceous. 

 Length 4 millim. 



Hob. Panama, Bugaba (Champion). 



This species seems more nearly related to M. egregius than to any other described by 

 de Bonvouloir, but it differs in many important points of sculpture and colour. One 

 imperfect male specimen seen. 



10. Microrhagus elatus. 



Subcylindrical, parallel, pieeous-black, subopaque, sparsely pubescent, thorax reddish-yellow, with a broad 

 median stripe extending from the base to the apex, narrower behind, and the hind angles piceous : antennae 

 black, nearly as long as the entire body ( 3 ), or somewhat shorter ( $ ), serrate in both sexes, but more 

 broadly in $ ; head brownish or black, densely punctate, clypeus at the base a little narrower than the 

 distance to the eyes, these entire ; thorax one fourth wider than long, sides straight and parallel at the 

 middle, arcuate at the apical third, hind angles slightly divergent, disc convex, densely punctate, clothed 

 with silken yellow pubescence, more compressed at the sides ; elytra striate, striae not punctate, intervals 

 densely submuricately punctate, somewhat transversely wrinkled near the base ; body beneath pieeous- 

 black, shining, abdomen brownish at the sides ; propleural groove narrow, the outer carina not entire, 

 posterior inferior supplementary line not reaching the middle in front, propleural area densely punctate ; 

 abdomen closely punctate ; legs piceous, the tips of the tarsi ferruginous. 



Length 4-4*5 millim. 



Hab. Guatemala, Zapote (Champion)-, Panama, Bugaba, Volcan de Chiriqui 

 (Champion). 



Related to M . maculicollis ; but the male antennae are not pectinate, the eyes are 

 entire, and the striae are not punctate at the apex. 



11. Microrhagus insidiosus. (Tab. X. fig. 23, <s .) 



Similar in form to M. elatus, pieeous-black, opaque, sparsely pubescent, thorax reddish-yellow, with a central 

 elongate-oval piceous spot, narrow behind, not reaching the apical or basal margin : antennae black, nearly 

 as long as the body, slender but serrate ; head convex, densely subrugosely punctate, concave above the 

 base of the clypeus, which is as wide as the distance to the eyes, these entire ; thorax one third wider 

 than long, sides parallel at the middle, slightly sinuous, anterior third obliquely narrowed, disc convex, a 

 moderately deep impression each side of the middle, median line posteriorly finely carinate, prolonged in 

 front in a faint median groove, surface closely punctate ; elytra obsoletely striate at the middle and near 

 the base, distinctly at the sides and apex, striae not punctate at the apex, intervals rather closely roughly 

 punctate, more densely near the base, and somewhat transversely wrinkled ; body beneath pieeous-black, 

 shining ; pronotum beneath sparsely punctate, black, except near the hind angles, propleural groove very 

 narrow posteriorly, wider in front, the outer carina entire, posterior inferior supplementary line sinuate, 

 extending nearly to the apex ; abdomen finely and rather sparsely punctate at the middle, more coareelj* 

 and densely at the sides and apex ; legs piceous, tips of the tarsi pale. 



Length 5-5 millim. 



Hob. Guatemala, Capetillo (Champion). 



2E2 



