40 BEETLES. 



Genus Aleociiaea, Grav 

 Labial palpi four-jointed; all the tarsi five-jointed. The 

 pronotuin has the edges not raised. They vary from 2-5 mm. 

 in length, and live in dung. 



A. fusci^cs, Fabr. Antennse half as long again as the 

 body, thickened in the middle and red at the base. The legs 

 and wing-cases are red, the latter black towards the scutellum 

 and at the sides. Length, 5-6 mm. A very common species. 



Genus Lomechusa, Grav. 

 Labial palpi three-jointed. Pronotum with raised lateral 

 borders. The front tarsi with four, the hind tarsi with five, 

 joints. They live in the company of ants. 



* L. paradoxa, Grav. The last joint of the antennoe is thicker 

 than it is long, and is compressed. The thorax is smooth, 

 slightly narrowed, and rounded at the sides. Length, 5 mm. 

 It is found in the nests of the red ant. 



Genus Tachyporus, Grav. 

 Wing-cases longer than the pronotum; antennae filiform. 

 Maxillary palpi, with the terminal joint pyramidal. The 

 abdomen is bordered. They are found under decomposing 

 veQ;etable matter. 



* T. oUus2is, Linn. Body smooth, orange-coloured ; thorax, 

 and the front half of the wing-cases and the tip of the 

 abdomen, blue-black. Length, 4-5 mm. Fairly common. 



* T. hrunneus, Fabr. Eather smaller than the last species. 

 The wing-cases and abdomen are distinctly punctured, tlie 

 latter being entirely orange- coloured. It is a common species. 



Genus Tachinus, Grav. 

 Elytra as in the last genus ; the maxillary palpi are, however^ 



