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MORPHOLOGY AND TAXONOMY OF ADULT MALES 



Metathorax : Metapostnotal sclerites and metapostnotal ridge well developed. Metapleural 

 ridge attenuated at the position of the pleural apophysis ; with a small metapleural wing process. 

 M etepisternum and metepimeron well defined. Precoxal ridge strong and metasternal apophysis 

 distinct. Metathoracic spiracles similar to the mesothoracic ones. Metathoracic setae on each 



dmep 



Fig. 19. Trionymus newsteadi (Green), dorsal and ventral view. 



