198 liKACllELYTKA — ALEOCUAKIDAK. 



base. Thorax about one-fourth broader than long, slightly 

 narrowed behind ; elytra a little longer than thorax ; fifth 

 and sixth abdominal segments nearly smooth. L. 1| 1. 

 Not very common. H. linearis, Gr. 



B 1, Central furrow on thorax indistinct 

 or absent. 



a 1. Antennae conspicuously hairy. 



Eather flat and broad, shiny. Black ; elytra brownish ; 

 antennae light at base. Thorax more than one-third 

 broader than long, a little narrowed behind ; elytra rather 

 longer than thorax ; sixth abdominal segment almost 

 smooth, sides of abdomen hairy. L. If 1. Eare. 



H.pilicornis, Tli. 



h 1. Antennae not conspicuously hairy. 



A 2. Head but little narrower than 

 thorax. 



Linear, rather flat. Black-broMai ; elytra brownish- 

 yellow ; antennae yellow. Thorax about one -fourth 

 broader than long, distinctly narrowed behind ; elytra one- 

 third longer than thorax. L. 1^ 1. Not very common. 



H. d chilis, Er, 



-B 2. Head much narrower than 

 thorax. 



Black-brown ; elytra dark brown ; antennae red-yellow 

 at base, darker at apex. Thorax fully one-third broader 

 than long, but little narrowed behind ; elytra scarcely one- 

 fourth longer than thorax. L. 11 \. Eare ; Scotland. 



H. fallaciosa. Sharp. 

 7i B. Length 1 line or less. 



a ((. Elytra one-fourth longer than thorax. 



Linear, ilat. Head and abdomen pitchy, latter pale at 



a])ex ; tliorax and elytra brownish-yellow ; antennae and 



legs ])alc-yellow, former stout and thickened toward a]jex. 



L. 1 1. Very rare. H. deformis, Kr. 



h h. Elytra shorter than thorax. 



Pitcliy-black, elytra somewhat paler ; legs yellowish. 

 L. f 1. Not common ; very local. If. caestila, Er. 



JTT. Six penultimate joints of antennae strongly 

 transverse. 



