308 Mr. Walker's Descriptions of 



Palpi whitish. Metathorax rugose, with four slight keels. 

 Alxloinen piceous, elongate oval excepting the petiole, with 

 a luteous band on the hind border of each segment. Pe- 

 tiole black, slender, cylindrical, full half as long as the 

 rest of the abdomen. Legs luteous. Wings cinereous ; 

 stigma and veins black, the latter testaceous at the base. 

 Length of the body 2 lines. 



HECABOLID^. 



19. Hecabolus ductus. 



Male. Black, shining. Head and thorax smooth ; head 

 nearly round ; palpi yellow. Antennae slender, rather 

 longer than the body. Metathorax striated. Abdomen 

 subsessile, slightly scabrous, dingy whiti;^h beneath, rather 

 longer than the thorax ; hind borders of third to fiftli 

 segments whitish ; tips tawny. Legs luteous. Wings 

 blackish ; stigma and veins black. Length of tlie body 2 

 lines. 



CHELONID^. 



20. Chelonus diversus. 



Male. Black, thickly punctured, slightly shining. Head 

 yellow, black behind and about the base of the antennae. 

 Antennae pale red ; first joint black. Mesothorax with a 

 quadrate yellow spot which has a very deep angular notch 

 in front ; a yellow stripe on each side. Propectus yellow. 

 Abdomen with three segments, yellow towards the liase, 

 this hue includes all the first segment, except a spot on 

 each side, and forms a large spot on the second segment ; 

 under-side yellow. Legs yellow; tips of hind femora and 

 of hind tibiae black, the latter clavate. Wings pellucid, 

 pale browmish about the tips ; stigma large, black ; veins 

 yellow, black towards the tips. Length of the body 2\ 

 lines. 



ICHNEUTID^. 



21. Froterojis hasalis. 



Male. Black, stout, sabrous dull. Palpi testaceous, 



