502 



WARO NAKAHARA : 



Without such spots on prothorax 4. 



4. Without notable marking on wing immaculatiis. 



With many distinct markings on wing 5. 



5. Three blackish spots along cubital vein in forewing 



Hermandinus. 



With numerous small brownish spots at base, and at beyond 



middle of forewing nikkocnsis. 



Spilosmylus tuberculatus (Walker). 



Osmylus tuberculatus Walker, Cat. Neuropt. Brit. Mus., ii, p. 255 

 (1853); Petersen, Ent. Mitt., ii, p. 227-28 (1913). 



Osmylus modestus Gerstaxker, Mitt. nat. Ver. Neuvorp. u. Rügen, 

 xxv, d. 77-8 (1893). 



Head pale yellow ; ocelli yellow ; clypeus and palpi yellowish, 

 the latter somewhat darker than the former ; antennae of usual struc- 

 ture with short hairs, a few basal joints somewhat fuscous, all the 

 other joints yellow, though often a few terminal joints are fuscous. 



Prothorax yellow, above with four blackish spots, of which the 

 anterior two are rather elongate ; further a very small spot at an 

 anterior position ; but the markings vary much according to individuals. 

 Very long pale hairs present on each side of prothorax, Meso- and 

 metathorax with brown spots on both sides of the median yellowish 

 part. 



Abdomen brownish above, much lighter on ventral side and at 

 apex. 



Legs pale or nearly colorless, somewhat darker on tarsal joints ; 

 ist tarsal joint not so much longer than the 2nd as in other Spilos- 

 mylus species ; claws rather small, strongly curved, with a few 

 teeth. 



Forewing not broad, subacute at apex, vitreous, with one or two 

 small fuscous spots beyond the middle ; also a small tubercle of shiny 

 black marked with three or four yellow lines present at middle of 



