24 



females — flying about and settling on the stems of plants and inserting 

 their proboscide.s, apparentl)- engaged in sucking. The two plants 

 attacked were the periwinkle ( K major) and \"oung wallflowers." 

 Dr. Hatchett Jackson adds : — " Most people at \\'eston are well 

 acquainted with tiiis species owing to its speckled wings, and it is 

 usually to be met with in autumn in the woods on Worlebury Hill 

 behind Weston on the north. Indeed it is sometimes spoken of as 

 the ' Wood Gnat.' " In November, 1904, reports and specimens 

 received from Leamington, Warwickshire, and Sleaford, Lincolnshire, 

 showed that this species was again troublesome in different parts of the 

 country. 



The geographical range of T. aiiniilata is \ery wide, for, besides 

 being distributed throughout Europe, the insect also occurs in the 

 Punjab, India, while in America it is found from Canada to Mexico. 



Genus 

 CULEX, Linna-us. 



Culex cantans, M 



Plate 6. 



In the British Islands this gnat is ap[jarently less common than 

 some other species, and the only British specimens at [jrescnt 

 contained in the IMuseum collection arc from Merton Hall, Thetford, 

 Norfolk, June lOth, 1900 {^Lord Wa/singkain) ; Cambridge {F. V. 

 Theobald) ; Ledbury, Herefordshire, June 2nd, 1895 {Licut.-Coloncl 

 Yerbiirj) ; Ashford, Kent, August 12th, 1902 {W. R. Jeffreys) \ and 

 Brockenhurst, New Forest, Hants, Ma_\- 5th to 19th, 1904, and 6th to 

 I2th, 1905 [C. 0. Waterhoiise). Theobald writes {op. cil.. Vol. 111. 

 (1903). P' •79): — " C. cantans is a sylvan species, wliich Mr. W. R. 

 Jeffreys, of Ashford, assures me is vicious in the woods in the Weald 

 of Kent. It bites at dusk, especially choosing the ankles." 



This species occurs throughout Europe, and is also found in 

 India and Canada. 



