OYTinrTTAENA. 225 



shiny and darker in colour than G. pulchella, tliorax and 

 elytra shorter in proportion, punctuation on latter stronger. 

 Common. G. affinis, Mann. 



7/. Penultimate joints of antennae strongly trans- 

 verse. 



1, Antennae entirely red-yellow, fourth joint small, 

 fifth to tenth joints about equal in breadth. 



A A, Dorsal series of punctures on thorax dis- 

 tinct. 

 Pitch-black; elytra (except outer apical angle), base 

 and apex of al)domen red-yellow, antennae and legs yellow. 

 Thorax with isolated strong punctures in two rows ; elytra 

 confusedly punctured in wrinkles, especially behind ; ab- 

 domen impunctate. Common. G. nana, Payk. 



JR JB. Dorsal series of punctures on thorax 

 obsolete. 

 Eed-yellow ; head black-brown ; thorax dark red-yellow ; 

 metasternum and abdomen before apex brown. Head dif- 

 fusely and strongly punctured on each side ; thorax finely 

 and tolerably closely, evenly punctured, usual dorsal series 

 obsolete ; abdomen nearly impunctate. Slightly smaller 

 than G. lacvipeiinis. Pare. G. puncticollis, Th. 



2. Antennae browmish,witli base red-yellow, fourth 

 joint broader than third, fifth to tenth joints 

 gradually somewhat thickened. 



Yellow or yellow-brown ; head and middle of abdomen 

 pitch-black ; thorax brown, lighter at sides. Forehead 

 strongly punctured ; thorax as in G. affi.ni% but more 

 scantily punctured ; elytra nearly impunctate in front, in- 

 distinctly punctured in wrinkles behind; abdomen im- 

 punctate. Moderately common. G. congrua, Er. 



h. Elytra impunctate. 



Pitch-black ; elytra (except outer apical angles), antennae 

 and legs red-yellow ; margins of thorax and the abdomen 

 brownish. Thorax very diffusely punctured in two rows ; 

 abdomen impunctate ; penultimate joints of antennae 

 sligiitly transverse. Common. G. laevipennis, Kr. 



C. Length ^ — | line. 



a. Elytra yellow or red-yellow. 



