SOAR : WATER MITES OF EPPING FOREST. 103
Sub-Fam.—PIONINAE.
Genus 15—PIONA, KOCH.
P. fuscata, Herm.
Epping, 1912.
P. longipalpis, Koen.
Upper Goldings Hill, 1905.
P. rufa, Koch.
Upper Goldings Hill, 1898.
P. conglobata, Koch.
Loughton and Chingford, 1898.
P. uncata, Koen.
Snaresbrook, 1896—1900.
P. obturbans, Pier.
Epping, Theydon, 1898.
P. discrepans, Koen.
Loughton, 1899.
P. carnea, Koch.
Highams Park, 1898.
P. nodata, Mull.
Wake Valley pond, 1900.
P. rotunda, Kram.
Theydon, 1898.
Genus 16—ACERCUS, KOCH.
A. latipes, Mull.
Wanstead, 1897. Chingford, 1897. Loughton, 1900
A. lutescens, Herm.
Common.
A. ornatus, Koch.
Chingford, 1914.
Genus 17—HYDROCHOREUTES, KOCH.
H. ungulatus, Koch.
Chingford, 1896.
Sub-Fam.—ATURINAE.
Genus 18—BRACHYPODA, HERM.
B. versicolor, Mull.
Common.
Genus 19—MIDEA, BRUZ.
M. orbiculata, Mull.
Oak Hill, 1900. Wanstead, 1900.