﻿Hynicfioptera 
  Orientalis. 
  49 
  

  

  y<^6. 
  Tachytes 
  Rotiineyi, 
  sp. 
  nov. 
  

  

  Niger, 
  dense 
  fulvo-hirUis 
  ; 
  abdominis 
  segmentis 
  argenteo 
  

   fasciatis 
  ; 
  tibiis 
  tarsisgne 
  dense 
  ftdvo-pilosis 
  ; 
  alis 
  flavo- 
  

   hyali7iis,apiceferefumatis; 
  tegulis 
  rnfis. 
  Long. 
  16 
  — 
  18 
  mm. 
  

  

  Head 
  and 
  thorax 
  opaque, 
  finely 
  and 
  closely 
  punctured 
  ; 
  

   the 
  scutellum 
  distinctly 
  and 
  strongly 
  punctured 
  ; 
  the 
  

   metanotum 
  at 
  apex 
  irregularly 
  striated 
  and 
  deeply 
  furrowed 
  

   in 
  the 
  middle. 
  Face 
  and 
  clypeus 
  densely 
  covered 
  with 
  a 
  

   longish 
  fulvous 
  pile 
  ; 
  the 
  vertex 
  sparsely 
  with 
  longish 
  

   fuscous 
  hair 
  ; 
  the 
  occiput 
  with 
  a 
  silvery 
  pile 
  ; 
  the 
  mandibles 
  

   at 
  base 
  with 
  golden 
  pubescence. 
  Eyes 
  at 
  top 
  separated 
  by 
  

   the 
  length 
  of 
  the 
  fourth 
  antennal 
  joint. 
  Scape 
  of 
  antennae 
  

   densely 
  covered 
  with 
  a 
  silvery 
  pile 
  and 
  with 
  some 
  long 
  

   fuscous 
  hair 
  ; 
  the 
  third 
  joint 
  about 
  one 
  fourth 
  longer 
  than 
  

   the 
  fourth, 
  and 
  three 
  times 
  the 
  length 
  of 
  the 
  second 
  ; 
  the 
  

   fourth 
  — 
  sixth 
  joints 
  are 
  slightly 
  contracted 
  at 
  base 
  and 
  

   apex, 
  bulging 
  out 
  broadly 
  in 
  the 
  middle. 
  Clypeus 
  broadl}- 
  

   carinate 
  in 
  the 
  middle 
  ; 
  the 
  apex 
  rounded, 
  entire, 
  and 
  

   depressed. 
  Mandibles 
  inclining 
  to 
  red 
  towards 
  the 
  apex. 
  

   Abdomen 
  longer 
  than 
  the 
  thorax 
  ; 
  becoming 
  graduall}- 
  

   narrowed 
  towards 
  the 
  apex 
  ; 
  the 
  basal 
  segment 
  covered 
  

   with 
  fulvous 
  pubescence 
  ; 
  the 
  other 
  segments 
  broadly 
  

   fringed 
  with 
  silvery 
  pubescence 
  (but 
  the 
  fringe 
  does 
  

   not 
  extend 
  quite 
  to 
  the 
  middle) 
  at 
  the 
  apex. 
  Pygidial 
  

   area 
  densely 
  covered 
  with 
  silvery 
  — 
  inclining 
  to 
  golden 
  — 
  

   depressed 
  stiff 
  pile 
  ; 
  its 
  apex 
  truncated. 
  Ventral 
  segments 
  

   punctured 
  and 
  covered 
  with 
  blackish 
  hair. 
  Tibipe 
  and 
  tarsi 
  

   densely 
  covered 
  with 
  fulvous 
  hair, 
  the 
  femora 
  much 
  more 
  

   thinly 
  ; 
  calcaria 
  and 
  spines 
  rufous. 
  The 
  second 
  cubital 
  

   cellule 
  at 
  the 
  top 
  is 
  nearly 
  one-fourth 
  shorter 
  than 
  the 
  third 
  

   but 
  at 
  the 
  bottom 
  is 
  longer 
  than 
  it 
  ; 
  the 
  first 
  recurrent 
  

   nervure 
  is 
  received 
  at 
  one-half 
  the 
  length 
  of 
  the 
  second 
  

   cubital 
  cellule 
  at 
  the 
  top, 
  the 
  second 
  a 
  little 
  beyond 
  the 
  

   middle, 
  the 
  distance 
  between 
  the 
  two 
  being 
  a 
  little 
  more 
  

   than 
  the 
  length 
  of 
  the 
  third 
  cubital 
  cellule 
  at 
  the 
  top. 
  

   Tirhoot, 
  Bengal 
  {RotJiney) 
  ; 
  Calcutta 
  {Mits. 
  Cal.). 
  

  

  D 
  

  

  