AGATIIIDIUM. 385 



Rather closely and finely punctured, with traces of 

 arrangement in rows, and withadeej) sutural stria reachinj^ 

 from apex far beyond middle. Seventh joint of antennae 

 larger than sixth and eiglith. Posterior femora of male 

 with a rather blunt tooth at apex. L. 1 — IJ 1. Not un- 

 common. A. nigripenne, Fab. 



b. Body black or brown. 



I. Elytra impunctate, without any sutural stria. 



l-Jlack or brown ; margins of thorax lighter ; antennae 

 and legs brown-red. Thorax impunctate. Posterior femora 

 of male simple. L. 1 1. Rather common. 



A. laevigatum, Er. 



II. Elytra finely punctured, with a sutural stria. 



1. Under-side black; thorax broadest behind middle. 

 Black ; antennae, legs and apex of abdomen red-brown. 



Thorax finely punctured. Male with a broad, almost right 

 angled tooth at apex of posterior femora and a depression 

 in metasternum. L. 1 J 1. Rather common. 



A. atrum, Payk. 



2. Under-side red-brown ; thorax broadest before 

 middle. 



Lighter or darker pitch-brown ; antennae and legs red- 

 browm. Thorax very finely and obsoletely punctured. 

 Posterior femora of male with a blunt tootli at apex. L. 

 1 1. Rather common. A. seminulum, Lin. 



J5. Elytra cut off o])liquely on each side of base, with 

 obtuse humeral angles. 



With incomplete ability to roll up into a ball. 

 a. All tarsi of female with four joints. 



I, Clypeus depressed, so as to leave front of head 

 emarginate. 



Pitchy ; margins of thorax, under-side, first eight joints 

 of antennae and the legs red-yellow. Thorax diffusely and 

 indistinctly, elytra diffusely but distinctly puncitured, 

 sutural stria on latter reaching middle. Left mandible of 

 male elongate. Similar to A. varians but not quite so 

 broad and rather more acuminate behind. L. | — I 1. Rare. 



A. confusiim, Bris. 



II. Clypeus simple. 



c 



