﻿REPORT 
  OF 
  THE 
  STATE 
  ENTOMOLOGIST 
  I908 
  1/ 
  

  

  r.ized 
  by 
  the 
  long, 
  knobbed, 
  hairy 
  feelers 
  or 
  antennae 
  one 
  half 
  

   l~;nger 
  than 
  the 
  body. 
  The 
  female 
  is 
  about 
  1/16 
  of 
  an 
  inch 
  long 
  

   and 
  may 
  be 
  distinguished 
  by 
  the 
  shorter, 
  less 
  densely 
  haired 
  feelers 
  

   or 
  antennae. 
  This 
  sex 
  is 
  provided 
  with 
  a 
  long, 
  slender 
  ovipositor 
  

   ae 
  long 
  as 
  the 
  body, 
  well 
  adapted 
  to 
  placing 
  the 
  tiny 
  eggs 
  within 
  

   the 
  developing 
  floral 
  tissues. 
  

  

  Technical 
  description. 
  Larva. 
  Length 
  1.5 
  to 
  2 
  mm. 
  The 
  

   smaller 
  larvae 
  are 
  whitish, 
  the 
  larger 
  ones 
  pale 
  yellowish. 
  Head 
  

   rather 
  short, 
  broad, 
  with 
  a 
  length 
  about 
  equal 
  to 
  the 
  diameter. 
  

   Antennae 
  short, 
  stout, 
  uniarticulate. 
  Breastbone 
  bidentate, 
  the 
  

   teeth 
  rather 
  broadly 
  triangular 
  and 
  moderately 
  chitinized, 
  the 
  basal 
  

  

  Fig. 
  4 
  Maggot 
  of 
  grape 
  blossom 
  midge, 
  view 
  

   of 
  head, 
  enlarged. 
  (Originc.l) 
  

  

  Fig. 
  5 
  Maggot 
  cf 
  grape 
  blossom 
  midge 
  

   posterior 
  extremity, 
  enlarged. 
  (Orig- 
  

   inal) 
  

  

  portion 
  semitransparent 
  and 
  tapering 
  posteriorly. 
  The 
  segmenta- 
  

   tion 
  of 
  the 
  body 
  rather 
  distinct, 
  the 
  skin 
  nearly 
  smooth. 
  The 
  

   penultimate 
  segment 
  with 
  a 
  short, 
  stout, 
  cuticular 
  process 
  at 
  the 
  

   posterior 
  lateral 
  angles. 
  Terminal 
  segment 
  broadly 
  rounded, 
  sub- 
  

   truncate 
  distally, 
  posteriorly 
  with 
  a 
  pair 
  of 
  submedian 
  acute 
  der- 
  

   mal 
  papillae, 
  and 
  just 
  within, 
  a 
  pair 
  of 
  stouter, 
  semitransparent, 
  

   strongly 
  curved 
  pseudopods. 
  Anus 
  ventral, 
  broadly 
  oval. 
  

  

  Male. 
  Length 
  i 
  mm. 
  Antennae 
  one 
  half 
  longer 
  than 
  the 
  body, 
  

   thickly 
  haired, 
  fuscous 
  yellowish; 
  14 
  segments, 
  the 
  fifth 
  with 
  the 
  

   basal 
  portion 
  of 
  the 
  stem 
  with 
  a 
  length 
  one 
  half 
  greater 
  than 
  its 
  

   diameter, 
  the 
  distal 
  part 
  with 
  a 
  length 
  three 
  times 
  its 
  diameter, 
  the 
  

   enlargements 
  subglobose, 
  the 
  basal 
  one 
  with 
  a 
  sparse 
  subbasal 
  

   whorl 
  of 
  setae, 
  the 
  circumfilum 
  with 
  the 
  loops 
  sparse, 
  long 
  and 
  

   extending 
  to 
  or 
  a 
  little 
  beyond 
  the 
  middle 
  of 
  the 
  subglobular 
  dis- 
  

   tal 
  enlargement, 
  which 
  latter 
  has 
  a 
  scattering 
  subbasal 
  whorl 
  of 
  

   curved 
  setae 
  and 
  a 
  similar 
  circumfilum, 
  the 
  loops 
  extending 
  to 
  the 
  

   base 
  of 
  the 
  following 
  segment. 
  Palpi; 
  first 
  segment 
  short, 
  sub- 
  

   quadrate, 
  the 
  second 
  stout, 
  with 
  a 
  length 
  over 
  three 
  times 
  its 
  diam- 
  

   eter, 
  the 
  third 
  a 
  little 
  longer, 
  more 
  slender, 
  the 
  fourth 
  one 
  fourth 
  

   longer 
  than 
  the 
  third. 
  Mesonotum 
  fuscous 
  yellowish. 
  Scutellum 
  

   and 
  postscutellum 
  yellowish. 
  Abdomen 
  fuscous 
  yellowish 
  ; 
  genitalia 
  

   darker. 
  Wings 
  hyaline, 
  costa 
  light 
  brown, 
  subcosta 
  uniting 
  there- 
  

   with 
  before 
  the 
  basal 
  third, 
  the 
  third 
  vein 
  at 
  the 
  apex; 
  fringe 
  

   abundant. 
  Halteres 
  whitish 
  transparent. 
  Legs 
  mostly 
  pale 
  yel- 
  

  

  