TRIBE METHIINI

View Image Gallery of Tribe Methiini

 

DIAGNOSIS : head vertical or subvertical; mandible oblique; clypeus very short; eye deeply emarginated, lower lobe very large and almost cover entire lateral side of head; gula without mentigous process; front coxae prominent, conical or subconical; fore coxal cavity strongly angulated externally and opened posteriorly; front coxae either contigeous or separated by intercoxal process; mid coxal cavity opened to epimeron externally.

 

Key to genera of Methiini in Sarawak

 

1.    Eyes not divided, at most deeply emarginate ................…………………..2
Eyes completely divided. - Tetraommatus, PERROUD

 

2(1) Front coxae distinctly separated by intercoxal process; mid intercoxal process long, reaching posterior margin of mid coxae, broad and truncate. ..............................................................................................................3
Front coxal contigeous; mid inter-coxal process very short, pointed posteriorly..............................................................................................4 

 

3(2) Antennal scape spine ectoapically; antennae bare; mandible oblique. - Xystrocera, SERVILLE 
Antennal scape not spine; antennae fringe beneath; mandible same plane
as frons - Hyphus, LACORDAIRE

 

4(2) Prothorax strongly tuberculate at side, distinctively longer than broad ; femora peduncle-clavate - Comusia, THOMSON
Prothorax obtuse at side or feebly tuberclate, as long as broad; femora elliptical,
compressed - Noserius, PASCOE