174 BEACHELYTRA — ALEOCHAEIDAE. 



red-l3rown. Thorax somewhat broader than long ; elytra 

 extremely finely punctured, penultimate joints of antennae 

 rather strongly transverse. L. 2^ 1. Moderately connnon. 



M. limhata, Payk. 



II, Thorax at least double as broad as long. 



1, Elytra black-brown, with a yellow-brown mark- 

 ing from the shoulder inward. 



Shorter than M. limhata. Head, thorax and abdomen 

 black-ljrown, segments of latter red-brown at posterior 

 margin. Elytra finely punctured ; al)domen smooth ; 

 penidtimate joints of antennae strongly transverse. L. 2 1. 

 Moderately common. M. lug ens, Gr. 



2. Elytra unicolorous black-brown. 



Head, thorax and abdomen black-brown ; antennae red- 

 brown, base lighter, penultimate joints strongly transverse. 

 Thorax more than double as broad as long; elytra very 

 finely punctured ; abdomen smooth. L. If 1. Common. 



M. laticollis, Mark. 



c. Thorax closely and deeply punctured. 



Head and thorax black-brown ; elytra red-brown, very 

 closely and rather strongly punctured ; abdomen red- 

 brown, apex pitch-black, closely punctured in front, nearly 

 smooth behind. Thorax almost as long as broad ; fifth 

 abdominal segment with a raised longitudinal fold. Apte- 

 rous. L. 2 1. Very rare. 31. pit cat a, Et. 



J5. Elytra shorter than thorax. 



Head blackish ; thorax, elytra and abdomen red-yellow, 

 latter blackish before apex. Thorax longer than broad, 

 with a distinct central furrow, closely and strongly punc- 

 tured, elytra more dih'usely and finely, abdomen diflusely 

 punctured in front, smooth behind. Apterous. L. 2 1. 

 Conmion. 31. canaliculata, Fab. 



Ilyohates. 



A. Antennae with six penultimate joints scarcely broader 

 than long. 



fi. Thorax black-brown. 



Head and tliorax black-lirown ; elytra and apex of abdo- 

 men yellow-red ; abdomen pitch-brown ; antennae red- 



