﻿NEOTROPICAL 
  MALLOPHAGA 
  — 
  CARRIKER 
  545 
  

  

  The 
  mesothorax 
  is 
  very 
  short 
  and 
  wide, 
  with 
  acute 
  lateral 
  angles 
  

   and 
  strongly 
  convex 
  posterior 
  margin. 
  The 
  metathorax 
  is 
  nearly 
  

   four 
  times 
  as 
  wide 
  as 
  long, 
  with 
  posterior 
  margin 
  flatly 
  pointed 
  medi- 
  

   ally. 
  The 
  greater 
  portion 
  of 
  the 
  paratergal 
  plates 
  lies 
  on 
  the 
  ventral 
  

   side; 
  they 
  are 
  wide, 
  heavily 
  chitinized, 
  and 
  deeply 
  colored, 
  with 
  6 
  to 
  

   12 
  spines 
  on 
  posterior 
  margin; 
  the 
  dorsal 
  portion 
  of 
  pleurites 
  II 
  to 
  

   VIII 
  contains 
  heavily 
  chitinized 
  incrassations 
  of 
  varying 
  shapes, 
  no 
  

   two 
  being 
  exactly 
  the 
  same. 
  

  

  The 
  legs 
  are 
  normal 
  for 
  the 
  genus, 
  but 
  the 
  third 
  pair 
  of 
  femora 
  are 
  

   unusually 
  short, 
  scarcely 
  longer 
  than 
  the 
  second 
  pair. 
  The 
  chaetotaxy 
  

   of 
  the 
  head 
  and 
  mesosternum 
  is 
  typical 
  of 
  the 
  genus. 
  The 
  long 
  hairs 
  

   at 
  the 
  lateral 
  angles 
  of 
  tergites 
  II 
  to 
  VIII 
  are 
  thick 
  and 
  long, 
  there 
  

   being 
  one 
  or 
  two 
  in 
  each 
  angle 
  which 
  are 
  thicker 
  and 
  longer 
  than 
  the 
  

   others. 
  The 
  dorsal 
  chaetotaxy 
  of 
  tergites 
  II, 
  III, 
  and 
  V 
  is 
  not 
  shown 
  

   in 
  the 
  figure, 
  but 
  is 
  approximately 
  equal 
  to 
  that 
  of 
  IV 
  and 
  VI, 
  the 
  

   hairs 
  becoming 
  progressively 
  longer 
  posteriorly, 
  with 
  one 
  or 
  two 
  

   shorter 
  haks 
  between 
  the 
  longer 
  ones 
  which 
  reach 
  across 
  the 
  succeed- 
  

   ing 
  segment. 
  The 
  female 
  holotype 
  is 
  the 
  only 
  specimen 
  of 
  the 
  species. 
  

  

  Measurements 
  of 
  the 
  type: 
  

  

  Length 
  Width 
  

  

  Body 
  2.21 
  

  

  Head 
  

  

  ant. 
  fossae 
  . 
  52 
  

  

  temples 
  .456 
  .80 
  

  

  occiput 
  .38 
  

  

  Prothorax 
  .303 
  .467 
  

  

  Meso-metathorax 
  .38 
  .88 
  

  

  Abdomen 
  1. 
  36 
  1. 
  10 
  

  

  Dennyus 
  intonsus, 
  new 
  species 
  

  

  Figure 
  63,e 
  

  

  Type. 
  — 
  Adult 
  female 
  from 
  Chaetura 
  chapmani 
  viridipennis 
  Cherrie, 
  

   collected 
  by 
  the 
  author 
  at 
  El 
  Real, 
  Rio 
  Cauca, 
  Colombia, 
  March 
  8, 
  

   1948 
  (inUSNM). 
  

  

  Diagnosis. 
  — 
  D. 
  inionsus 
  is 
  a 
  very 
  distinct 
  species 
  and 
  may 
  be 
  

   recognized 
  at 
  a 
  glance 
  by 
  the 
  abnormal 
  chaetotaxy 
  of 
  the 
  whole 
  body. 
  

   There 
  is 
  a 
  double 
  fringe 
  of 
  setae 
  along 
  the 
  anterior 
  margin 
  of 
  the 
  

   temples; 
  one 
  fringe 
  is 
  along 
  the 
  edge, 
  pointing 
  outward, 
  and 
  the 
  other 
  

   is 
  submarginal, 
  parallel 
  to 
  the 
  first, 
  and 
  pointing 
  inward 
  and 
  back- 
  

   ward. 
  There 
  are 
  two 
  rows 
  of 
  very 
  long 
  hairs 
  along 
  the 
  posterior 
  

   margin 
  of 
  the 
  temples, 
  the 
  usual 
  four 
  along 
  the 
  edge 
  and 
  an 
  additional 
  

   row 
  of 
  five 
  submarginal; 
  also 
  four 
  long, 
  dorsal 
  hairs 
  on 
  the 
  occiput, 
  

   two 
  near 
  the 
  margin 
  and 
  two 
  others, 
  longer, 
  inside 
  the 
  marginal 
  pair; 
  

  

  