﻿ART. 
  1 
  AMERICAN 
  PLOIARIINAE 
  McATEE 
  AND 
  MALLOCH 
  31 
  

  

  The 
  antennae 
  and 
  legs 
  in 
  schwarzi 
  appear 
  slightly 
  thicker 
  at 
  the 
  

   dark 
  annuli 
  and 
  are 
  also 
  furnished 
  with 
  more 
  dense 
  blackish 
  

   pubescence 
  on 
  these 
  parts: 
  thoracic 
  spines 
  piceous. 
  Wings 
  with 
  

   the 
  fuscous 
  markings 
  as 
  seen 
  with 
  the 
  naked 
  eye 
  consisting 
  of 
  two 
  

   or 
  three 
  bands 
  irrorated 
  with 
  whitish. 
  

  

  Head 
  across 
  eyes 
  slightly 
  broader 
  than 
  long, 
  eye 
  as 
  wide 
  as 
  inter- 
  

   ocular 
  space; 
  posterior 
  lobe 
  with 
  2 
  moderate 
  swellings 
  on 
  dorsum 
  

   anteriorly. 
  Anterior 
  lobe 
  of 
  prothorax 
  a 
  little 
  longer 
  than 
  the 
  

   peduncle, 
  posterior 
  lobe 
  rather 
  abruptly 
  widened, 
  the 
  posterior 
  

   tubercles 
  distinct. 
  Basal 
  and 
  one 
  other 
  spine 
  of 
  the 
  postero-ventral 
  

   series 
  on 
  fore 
  femur 
  much 
  longer 
  than 
  the 
  others. 
  Venation 
  and 
  

   markings 
  of 
  forewings 
  as 
  in 
  figure 
  23. 
  The 
  male 
  has 
  the 
  wings 
  

   less 
  extensively 
  blackened, 
  the 
  disk 
  being 
  almost 
  all 
  white. 
  

  

  Length, 
  8-10 
  mm. 
  

  

  Redescribed 
  from 
  the 
  type 
  specimen, 
  a 
  female, 
  No. 
  20149, 
  U.S.N.M., 
  

   Tampico, 
  Mexico, 
  Dec. 
  21, 
  E. 
  A. 
  Schwarz, 
  two 
  males. 
  Tegucigalpa, 
  

   Honduras, 
  July 
  25 
  and 
  26, 
  1917, 
  and 
  one 
  female, 
  La 
  Ceiba, 
  Honduras, 
  

   September 
  27. 
  1916, 
  F. 
  J. 
  Dyer 
  (U.S.N.M.). 
  

  

  STENOLEMUS 
  VARIATUS, 
  new 
  species. 
  

  

  Male. 
  — 
  Mesothoracic 
  spine 
  pale, 
  metathoracic 
  one 
  darker. 
  Wings 
  

   more 
  evenly 
  infuscated 
  than 
  in 
  schwarzi, 
  basal 
  discal 
  cell 
  almost 
  

   solid 
  black, 
  center 
  of 
  posterior 
  discal 
  cell 
  with 
  an 
  amoeboid 
  yellowish 
  

   splotch. 
  Hind 
  femoral 
  and 
  tibial 
  bands 
  broader 
  than 
  in 
  other 
  species 
  

   and 
  lacking 
  short 
  dark 
  hairs, 
  the 
  long 
  hairs 
  on 
  the 
  bands 
  dark 
  

   brown, 
  those 
  on 
  other 
  parts 
  of 
  femora 
  and 
  tibiae 
  pale 
  brown. 
  

  

  Tubercles 
  on 
  posterior 
  lobe 
  of 
  head 
  barely 
  perceptible. 
  Anterior 
  

   lobe 
  of 
  prothorax 
  a 
  little 
  longer 
  than 
  pedicel; 
  processes 
  near 
  hind 
  

   margin 
  of 
  posterior 
  lobe 
  elongate, 
  acute; 
  mesothoracic 
  and 
  metathor- 
  

   acic 
  spines 
  slender, 
  of 
  about 
  equal 
  size, 
  blunt 
  at 
  tips, 
  with 
  rather 
  

   Jong 
  hairs. 
  Abdomen 
  as 
  stated 
  in 
  key. 
  Fore 
  coxa 
  a 
  little 
  longer 
  

   than 
  pedicel 
  of 
  prothorax, 
  fore 
  femur 
  slightly 
  curved, 
  with 
  normal 
  

   armature. 
  Basal 
  discal 
  cell 
  of 
  fore 
  wing 
  as 
  in 
  figure 
  24, 
  apical 
  

   discal 
  cell 
  not 
  subdivided 
  longitudinally, 
  acute 
  at 
  apex. 
  

  

  Length, 
  10 
  mm. 
  

  

  Holotype. 
  — 
  Near 
  San 
  Ignacio, 
  Misiones, 
  Argentina. 
  1910, 
  E. 
  R. 
  

   Wagner. 
  (Paris 
  Museum.) 
  

  

  STENOLEMUS 
  INTERSTITIALIS, 
  new 
  species. 
  

  

  Male. 
  — 
  General 
  color 
  as 
  in 
  variatus 
  but 
  the 
  hind 
  femoral 
  and 
  tibial 
  

   bands 
  are 
  much 
  narrower 
  and 
  paler. 
  

  

  Tubercles 
  on 
  posterior 
  lobe 
  of 
  head 
  small 
  but 
  rather 
  acute. 
  An- 
  

   terior 
  lobe 
  of 
  prothorax 
  slightly 
  shorter 
  than 
  pedicel; 
  submedian 
  

   tubercles 
  on 
  posterior 
  lobe 
  mere 
  round 
  swellings 
  (the 
  thorax 
  is 
  in 
  

  

  