112 Mr. E. E. Austen on new 



of H. pertinens, Austen, taken at the same place and time : — 

 " In tall green reeds ; bit myself and native servant ; usually 

 silent and very sluggish/'' 



Hcematopota insidiatrix closely resembles the foregoing 

 species (q. v. for distinctive characters). 



Hamatopota noxialis, sp. n. 



¥ . — Length (7 specimens) 8 - 6 to 11 mm. ; width of head 

 3 to 38 mm.; width of front at vertex 1*2 to 1*4 mm. ; 

 length of wing 8 to 10 mm. 



Dark brown; thorax with smoke-grey markings as in 

 H. stimulans ; dorsum of abdomen with hind borders of seg- 

 ments greyish cream-buff, and two admedian rows of large 

 smoke-grey spots, but with no median grey stripe ; icings pale 

 mouse-grey, the infuscation uniform throughout, tight markings 

 faint though distinct, usual three rosettes and apical sinuous 

 mark present, each rosette composed almost entirely of a single 

 series of lines ; legs as in H. stimulans, except that pale band 

 on front tibia is much broader than bands on middle and hind 

 tibia, and middle femora are not or scarcely darker at tips. 



Head: front yellowish grey, face and jowls smoke-grey, 

 sometimes a brownish mark on each side of face running 

 inwards from lower inner margin of eye, but no conspicuous 

 dark spot or fleck below each antenna; frontal callus 

 cinnamon- or raw umber-coloured, of moderate depth, ex- 

 tending from eye to eye, lower margin straight, upper margin 

 generally slightly concave on each side of middle line ; dark 

 median spot below callus absent or very small ; median as 

 well as lateral clove-brown frontal spots present, latter 

 usually not in contact with eyes ; palpi as in H. insidiatrix • 

 first aud second joints of antenna greyish cinnamon-coloured, 

 clothed with black hair, first joint short, more or less in- 

 crassate on inner side, third joint russet-brown, last three 

 annuli darker, sometimes clove-brown, basal portion of third 

 joint moderately elongate and tapering. Thorax : pectus, 

 pleurae, and sides of dorsum smoke-grey. Abdomen : dorsum 

 with sides of segments smoke-grey, and admedian spots ex- 

 tending from second, to seventh segments inclusive; venter 

 as in H. stimulans. Wings : light markings not coarse ; no 

 light blotches along hind margin, but usual series of detached 

 oblique marks across posterior cells present ; loop and zigzag 

 mark in axillary cell not connected ; markings in discal cell 

 usually confined to two light marks across its median portion, 

 but occasionally a third light fleck faintly indicated near its 

 distal extremity ; stigma seal- brown, its proximal extremity 



