﻿NO. 
  1966. 
  SYNOPSIS 
  OF 
  NEOTROPICAL 
  LIMXOBiy^— 
  ALEXANDER. 
  509 
  

  

  Habitat. 
  — 
  Holotype. 
  — 
  Male, 
  Yallahs 
  Valley, 
  Blue 
  Mountains, 
  Ja- 
  

   maica, 
  Feb. 
  24, 
  1911. 
  Allotype. 
  — 
  Female, 
  San 
  Francisco 
  Mountains, 
  

   Santo 
  Domingo, 
  Sept. 
  27, 
  1905 
  (Aug. 
  Busck, 
  coll.). 
  

  

  Holotype. 
  — 
  In 
  American 
  Museum 
  of 
  Natural 
  History. 
  

  

  Allotype. 
  — 
  In 
  U. 
  S. 
  National 
  Museum 
  collection. 
  (No. 
  14,930). 
  

  

  The 
  discovery 
  of 
  tliis 
  tiny 
  species 
  in 
  the 
  Greater 
  Antilles 
  is 
  interest- 
  

   ing. 
  Its 
  only 
  knowTi 
  relative, 
  -S'. 
  jlava, 
  was 
  but 
  recently 
  described 
  

   from 
  the 
  Eastern 
  United 
  States. 
  The 
  present 
  insect 
  is 
  in 
  perfect 
  

   generic 
  agreement 
  with 
  jlava 
  in 
  its 
  shortened 
  antennae, 
  prominent 
  

   anal 
  angle, 
  sinuosity 
  of 
  second 
  anal, 
  etc. 
  

  

  Genus 
  CRYPTOLABIS 
  Osten 
  Sacken. 
  

  

  Cryptolabis 
  Osten 
  Sacken, 
  Proc. 
  Acad. 
  Nat. 
  Sci. 
  Phila., 
  1859, 
  p. 
  224; 
  Mono- 
  

   graphs, 
  vol. 
  4, 
  1869, 
  p. 
  185; 
  Studies, 
  etc., 
  pt. 
  2, 
  1887, 
  p. 
  205. 
  

  

  KEY 
  TO 
  THE 
  SPECIES 
  OF 
  CRYPTOLABIS. 
  

  

  1. 
  Rs 
  short, 
  so 
  that 
  the 
  cell 
  first 
  Ri 
  forms 
  a 
  rough 
  equilateral 
  triangle; 
  Rs 
  shorter 
  than 
  

  

  the 
  free 
  portion 
  of 
  Mg 
  beyond 
  the 
  deflection 
  of 
  Cuj 
  2. 
  

  

  Rs 
  long, 
  so 
  that 
  the 
  cell 
  first 
  R, 
  forms 
  a 
  triangle 
  that 
  is 
  not 
  equilateral; 
  Rs 
  longer 
  

   than 
  the 
  free 
  portion 
  of 
  M3 
  beyond 
  the 
  deflection 
  of 
  Cui 
  

  

  tropicalis, 
  new 
  species 
  (Central 
  America). 
  

  

  2. 
  Thorax 
  wholly 
  grayish-brown; 
  head 
  dark 
  brown; 
  antennae 
  brown 
  

  

  bisinuata 
  Doane' 
  (West. 
  U. 
  S.). 
  

  

  Thorax 
  pale 
  but 
  with 
  three 
  black 
  stripes, 
  the 
  middle 
  one 
  double; 
  head 
  blackish; 
  

  

  antennae 
  black 
  paradoxa 
  Osten 
  Sacken^ 
  (East. 
  U. 
  S.). 
  

  

  CRYPTOLABIS 
  TROPICALIS, 
  new 
  species. 
  

  

  Pale, 
  yelloAvish-brown; 
  radial 
  sector 
  elongate. 
  

  

  Male. 
  — 
  Length, 
  3-3.8 
  mm.; 
  wing, 
  4.4 
  mm. 
  Head: 
  rostrum 
  and 
  

   palpi 
  brown; 
  basal 
  segment 
  of 
  the 
  antennae 
  brown, 
  remainder 
  of 
  

   the 
  antennae. 
  dark 
  brown; 
  eyes 
  elongate-ovate, 
  rather 
  approximated: 
  

   front 
  brown; 
  vertex 
  narrow 
  between 
  the 
  eyes; 
  vertex 
  and 
  occiput 
  

   light 
  yellow. 
  

  

  Thorax: 
  pronotum 
  light 
  yellow; 
  mesonotum: 
  prsescutum 
  light 
  

   yellowish-brown 
  with 
  an 
  olive 
  tinge; 
  scutum, 
  scutellum, 
  and 
  post- 
  

   notum 
  yellowish-bro\vn. 
  Pleurge 
  pale 
  whitish-yellow 
  with 
  a 
  light 
  

   brown 
  line 
  extending 
  from 
  the 
  prosternum 
  obliquely 
  to 
  the 
  base 
  of 
  

   the 
  halteres. 
  Halteres 
  light 
  yellowish. 
  Legs: 
  coxae, 
  trochanters, 
  

   femora, 
  tibiae, 
  light 
  brownish-yellow, 
  the 
  hind 
  femora 
  lightest 
  yellow 
  ; 
  

   tip 
  of 
  the 
  tibia 
  darker; 
  tarsi 
  light 
  yellowish; 
  segments 
  4 
  and 
  5 
  darker, 
  

   brown. 
  Wings 
  hyaline, 
  veins 
  brown, 
  except 
  C, 
  Sc, 
  and 
  R, 
  which 
  are 
  

   yellow. 
  (See 
  fig. 
  8.) 
  

  

  Abdomen: 
  tergum 
  brown; 
  genital 
  segment 
  light 
  yelktw; 
  sternum 
  

   light 
  yellow. 
  

  

  A 
  paratype 
  differs 
  in 
  having 
  the 
  rostrum, 
  palpi 
  and 
  front 
  more 
  

   yello^\dsh; 
  thoracic 
  dorsum 
  more 
  distinctly 
  tinged 
  with 
  brown; 
  the 
  

   second 
  paratype 
  has 
  a 
  more 
  reddish 
  tinge 
  to 
  the 
  praescutum. 
  

  

  1 
  Joiim. 
  N. 
  Y. 
  Ent. 
  Soc, 
  vol. 
  8, 
  pp. 
  189, 
  190, 
  pi. 
  7, 
  fig. 
  22, 
  male. 
  

  

  2 
  Monographs, 
  vol. 
  4, 
  p. 
  186, 
  pi. 
  2, 
  fig. 
  11, 
  male 
  and 
  female. 
  

  

  