GLASGOW SOCIETY OF FIELD NATURALISTS. 49 



over Scotland. The leafy outer covering of the gall appears to be 

 mei-ely protective, for it affords no sustenance to the larvae. It 

 does not, however, give entire protection, as both inquilines and 

 parasites are often bred from the galls ; and a Ghalcis that I 

 observed filled, when a larva, the inner-gall so exactly, that it is a 

 wonder how it contrived to change. 



A. injlator, Hart. — A much scarcer species than the last. I 

 have only found it at Cadder Wilderness. 



A. noduli, Hai't. — The lai'vse live in swollen twigs of young 

 oaks, between twenty and forty inhabiting a small twig, each larva 

 residing in a separate cell. One small tree at Kenmuir (now cut 

 down) must have contained hundreds ; it is also found at Cadder 

 Wilderness. 



A. ramuli, L. — Seems to be distributed all over Scotland. I 

 noticed the galls — which are easily i^ecognised from the wool that 

 envelops them — very abundant at Blair- Athole ; and on one bunch 

 a Tortrix larva was feeding ; in the pill-box it spun a web, and 

 was about to change into a chrysalis ; but on looking at it next day, 

 it was 7ion est, and instead, there remained a neat little cocoon of 

 an ichneumon. 



A. quadrilineatus, Hart. — -The galls of this species were very 

 common on the male catkins of the oak at Dail, Kannoch, in 

 June; and I have taken specimens of the leaf galls at Cadder 

 Wilderness. 



A. amenti, Gir. — This species was also found at Rannoch, with 

 the kst insect; the galls are on the catkins as well, but far less 

 frequent. From one of its galls was reared an Andricus, which I 

 have doubtfully named A. albipes, Hart (Germ. Zeit., ii., p. 192). 

 Among the Kannoch catkin-galls were examples of what probably 

 pertained to another species, which was bred, but cannot be 

 identified. 



Di^yoteras terminate, Fab. — Undoubtedly our commonest gall- 

 insect. The galls appear very early in the season ; are at first 

 white, with red cheeks, but soon change to a brown colour. They 

 are much frequented by all sorts of insects — beetles, moths, Diptera 

 as inquilines, and Chalcididce as parasites — about which I may have 

 something to say on another occasion. Local stations are : — Car- 

 myle, Kenmuir, Kelvinside, Langside. I have found them in Skye. 



Spatliogaster baccarum, L. — The upheaver of the familiar " cur- 

 rant" galls of the oak, which are found both on the male catkins 



