184 THE ENTOMOLOGIST. 
16. Brachycolus stellarie, Hardy. 
This Aphid was described by Hardy as Aphis stellarie in 
vol. ii of the ‘ North British Agriculturalist,’ p. 788, and later as 
Aphis holci. Buckton (‘ Mono. Brit. Aph.’ ii, p. 146) created a 
new genus for it—Brachycolus—and as one of the characters 
gives ‘‘ Vertex rather flat, frontal tubercles none.” He 
describes only the apterous viviparous female. Hardy refers to 
the oviparous females on the terminal shoots of Cerastiwm 
triviale depositing their minute, black, oblong-oval eggs. The 
only other record [ know of is Schouteden’s (‘ Mem. d. 1. Soe. 
Ent. Belg.’ xu, p. 212, 1906), who found it on Holcus, Agrostis 
alba, ete., at Brussels and Petite-Espinette. Van der Goot 
(‘Zur Syst. d. Aphiden. Overged. u. het. Tijds. v. Ent.’ lvi, 
p. 107, 1913) refers to Buchton’s genus. Specimens were sent to 
Mr. Rymer Roberts taken by Mr. Western at Darwen on the 
Great Stitchwort (7th December, 1915). The specimen, the only 
perfect one, sent me proved to be an oviparous female. This stage 
answers in general form to the apterous viviparous female, but the 
head is not as Buchton describes, but has lateral and a median 
swelling. The colour noticed by Mr. Rymer Roberts was green. 
The antenne are as Buchton describes, of six segments, less 
than half the length of the narrow body, the two basal segments 
small, the third longer than the fourth, the latter and the fifth 
nearly equal, the sixth a little longer than the third, the flagellum 
only a little longer than the basal area. Hyes large dark, cauda 
fairly prominent, black, spinose. The hind tibiz slightly swollen, 
with rather long hairs on one side, shorter on the other, and a 
line of about eleven sensoria ou one side, some projecting from 
the surface. The specimen contained three ova. It is found 
on Stellaria holostea and S. graminea, on which ‘‘it is found 
within a hollow pod fabricated from the leaves, each side of the 
leaf being brought together above to form a canopy. It checks 
the growth in such a manner that the leaves cluster into rigid 
tufts.’”’ According to Hardy it migrates to Holcus mollis, where 
it lives in a similar manner and returns to the Caryophillaceze 
inautumn. This genus is certainly a very marked one, but it 
shows that the character of the configuration of the head is of no 
valid importance, as we see in other genera, when the various 
stages are examined. 
17. Lachniella nigrotuberculata, Del Guercio. 
This marked Lachnid described by Del Guercio, ‘ Redia,’ v, 
p. 806, Tav. xvi, figs. 186-194, 1908) was sent me by Mr. Rymer 
Roberts from Bishop’s Wood, Windermere. A single alate vivi- 
parous female taken with others on Lariz leptolassa on June 14th, 
1914. 
