42 



[February, 



69 long, with the characteristic spines on the dorsum and about 10 ordinary 

 spines medio-laterally on the margin, if^/s apparently pale brown or yellow 

 in life, tarsi darker, moderately liairj' ; coxae stout, as broad as long. 



Measurements ; Antennae "36 mm., head '26 mm., prothorax "24 mm., 

 niesotliorax '34 mm., metathorax "IG mm. Hind leg : trochiuiler+ffmnr '36 mm., 

 tibia '46 mm., tarsus+claw "14 mm. Total length 2'4 mm., total breadth 

 •8 mm. 



Type, unique in B.M. "On grasses, England." 



In life the insect is probably dark brown, pale yellow underneath, 

 segment III of the antennae, and the legs except the tarsi pale brown. 



This species resembles A. serrulatus in shape, but is easily separated 

 from that insect by the stumpy antennae, and the chai-acteristic dilated 

 spines. 



A. hirtellus Halid. 



Atheroides Mrtellus Haliday, Ann. & Mag. Nat. Hist, ii, 1839, 

 p. 189. 



Aphis Mrtellus (Halid.) Walker, Ann. & Mag. Nat. Hist. (2) ii, 

 1848, p. 45 ; Cat. Hemipt. Brit. Mus. pt. i, pp. 953 & 1168. 



Fig. 3,—Athtiruides hirtcllus Halid. Apterous $ and antenna. 



