APION. 175 



A a. Head deeply impressed between eyes ; 

 thorax with a short central furrow. 



Elongate. Black, with whitish pubescence. Eostrum 

 of male rather longer than head, thick ; that of female 

 longer and thinner ; forehead feebly striate ; thorax toler- 

 ably cylindrical, scarcely as long as broad, w^ith a short 

 central furrow, base indistinctly emarginate ; elytra long 

 oval, with punctured striae. L. 1 1. Moderately common. 



A. pubescens, Kirby. 



-B &. Head faintly impressed between eyes ; 

 thorax without central furrow. 



Black ; antennae pitchy, club black ; glabrous, slightly 

 shiny. Forehead feebly striate ; thorax slightly elongate, 

 punctured ; elytra sometimes with a bluish tinge. L. 1^1. 

 Moderately common. A. Curtisi, Curt. 



b b. Forehead without depression. 



A a. Elytra black-bronze ; thorax roughly 

 punctured. 

 Black, slightly shiny, with thin gray pubescence; elytra 

 with metallic reflection. Thorax narrowed in front, closely 

 punctured, with a short, feeble central furrow behind ; 

 elytra oblong, narrow, with deep punctured striae and 

 studded with isolated, long, white hairs. L. 1^ 1. Not 

 common. A. simile, Kirby. 



S 6^ Elytra leaden-black ; thorax feebly 

 punctured. 



Black, with fine gray pubescence. Head narrow ; thorax 

 as long as broad, feebly punctured, with an impression 

 before scutellum ; elytra oblong, tolerably straight at sides, 

 only slightly dilated behind middle, interstices flat. L. f 1. 

 Common. A. seniculum, Kirby. 



JI, Legs reddish-yellow. 



Black ; elytra green or blue, shiny ; antennae and legs 

 reddish-yellow ; upper-side scantily, imder-side closely 

 covered with wdiitish pubescence. Thorax short, broader 

 behind ; elytra with indistinctly punctured striae. Eostrum 

 of male shorter than that of female and half of it (as also 

 apex of abdomen) red-yellow. L. 1 1. Common. 



A. rufirostre, Fab. 



c. Antennae inserted in or near middle of rostrum. 



