MALTHODES. 63 



I, Thorax broader than long, posterior angles not 

 rounded. 



1» Elytra almost three times as long as together 

 broad. 



Gray -brownish ; apex of elytra and part of under-side 

 yellow ; antennae brownish, base paler ; legs brownish- 

 yellow, femora darker. Head not much narrowed behind, 

 diffusely punctured, without furrow between eyes ; elytra 

 almost double as broad as thorax. Male with last dorsal 

 abdominal segments not elongate, simple ; penultimate 

 ventral segment deeply triangularly excised, last ventral 

 segment narrow, scarcely divided at apex. L. IJ — 2 ]. 

 Eatlier common. M. pelliccidus, Kies. 



2. Elytra about 2| times as long as together broad. 



A A, Elytra pitchy or brownish-black, with 

 apex yellow. 



a a. Thorax pitcli-black or pitch-brown. 



A a. Antennae reaching somewhat beyond 

 apex of elytra. 



Pitch-black or pitch-brown ; mouth, base of antennae, 

 apex of elytra, part of under-side and legs yellow, femora 

 often rather darker. Head not much narrowed behind, 

 rather finely and feebly punctured, with a shallow impres- 

 sion between eyes ; anterior margin of thorax tolerably 

 straight in middle, oblique on each side. Male with ante- 

 penultimate dorsal abdominal segment produced into a curved 

 hook at anterior angles, penultimate dorsal segment with a 

 simple, rather sharp process, penultimate ventral segment 

 deeply roundly emarginate, last ventral segment somewhat 

 divided at apex. L. 2 — 2^ 1. Not uncommon. 



M. dispar, Germ. 



J5 &. Antennae as long as, or longer than 

 whole of body. 



Pitch-black ; mouth, apex of elytra and part of under- 

 side yellow ; base of antennae sometimes light ; legs 

 brownish, tibiae rather darker. Head distinctly narrowed 

 behind, rather finely and closely punctured ; anterior margin 

 of thorax gently rounded. Male with antepenultimate 

 dorsal abdominal segment produced into a rather sharp 

 point at anterior angles, penultimate dorsal segment with a 



