26 HAUSTELLATA. 
DOLICHOPIDiE. 
Plate XLV. fig. 4. 
Psilopus platypterus. 
Ps. viridi-cBneus,capite albo, pedibus pallidis. Mas. alisamplis; tarsis 
intermediis apice atro alboque. (Long. Corp. 2\ lin.) 
Dol. platypterus, Fabricius. — Ps. platypterus. — Steph. Catal. No. 8327. 
Brassy-green, with a griseous pile : face and front white ; antennae ochre- 
ous, the 3rd joint obscure ; abdomen, with long scattered hairs ; legs 
pale yellow, intermediate tarsi of the male with the 3rd and 4th joints 
white, the 5th black ; hinder tibiae sometimes with a dusky ring : wings 
very broad in the male. 
Abundant in marshy places near London, during the summer. 
RHAGIONID.E. 
Plate XLV. fig. 2. 
Atherix marginata. 
At. Atra ; abdomine fasciis albis ; alia fusco fasciatis : pedibus nigris. 
(Long. Corp. 4 lin.) 
Bib. marginata, Fabricius. — At. marginata, Steph. Catal. No. 8389. 
Deep black ; thorax clothed with a whitish pile : segments of the abdomen 
narrowly edged with white ; legs black : wings brown with white spots. 
Very rare near London ; but not uncommon in the vicinity of 
rivers in the west of England, especially near Asliburton, in 
June. 
