230 THE ENTOMOLOGIST. 
NEW AND LITTLE KNOWN BRITISH APHIDES. 
VI. 
By Freep. V. THropaup, M.A. 
Anuraphis centauriella, nov. sp. 
Alate viviparous female—Head and thorax brownish black ; 
abdomen pinkish brown, pinkish ochreous or pinkish green, with 
black transverse markings in the form of a black blotch on the 
posterior two-thirds of the abdomen and a row of black spots at the 
sides. Cornicles brown. Legs light brown, with the femora, apex 
of tibiz and the tarsi dark brown. Antenne dark brown; shorter 
than body ; basal segment a little wider, but no longer than second ; 
third nearly twice as long as the fourth, with 35-50 round sensoria 
over its whole length ; fourth larger than fifth, with 10-12 sensoria ; 
fifth with only one round subapical one; sixth as long as 4 and 5, 
basal area about half the length of flagellum in one specimen, in 
others one-third of the length. Proboscis reaching nearly to third 
coxe. Cauda and anal plate deep brown, the former bluntly tri- 
angulated, with a few hairs; the latter also with a few hairs; cauda 
about as long but wider than cornicles. Cornicles cylindrical, some- 
what contracted at apex, which is flanged. Wings normal. 
Length, 1:5-1:7 mm. 
Apterous viviparous female.—Dingy pale green, tinged in parts 
with pale pink. Legs and antenne pale ochreous brown. Cornicles 
and cauda pale brown. Front of head pale brown, sometimes 
suffused with pink. Hyes dark brown. Antenne about one-third 
the length of the body ; of five segments, the basal one wider but no 
longer than second; third as long as fifth ; fourth small, about one- 
third of third; fifth with flagellum a little longer than base, the 
latter longer than fourth. Cauda broad and blunt, about as long as 
the cornicles; anal plate rounded, both with a few hairs. Cornicles 
short, conical. Legs rather short. 
Length, 1:2 mm. 
Nymph.—Pale clear green; head, wing buds and legs brown. 
Eyes dark brown. Cornicles same colour as body, tipped with 
pale brown. Antenne of six segments. 
Food plant.—Knapweed (Centaurea nigra). 
Locality.x—Inverness-shire, N.B. (7. ix . 20) (D. J. Jackson 
Coll.). 
Observations.—Described from several alate females and one 
apterous female. The coloration is very marked. The notes 
were taken by Miss Jackson from living specimens. She found 
this insect amongst colonies of Macrosiphum jacee, Linneus, 
clustered near the flower-heads. The majority were alate 
