220 



THK KNTOMOLOGIST. 



bulb, where several larvae are present; but the vigour of the 

 developed beetle, and great vital powers of the larva? under 

 injury, might make it an inconvenient guest; and its habits 

 in its early stages lay it so thoroughly open to attack by 

 burning infested bulbs, or throwing ihe ground open to be 

 cleared by the birds, that its destruction where much present 

 would be a task of little difficully, and certainly desirable. 

 Islewortli, September 10, 1878. 



DESCRIPTIONS OF OAK-GALLS. 

 Translnted tVnia Dr. G. L. Mayr's ' Die Mitteleuropaischen Eicliengallen. 



By Edward A. Fitch. 



(Conclmled from p. ;207.) 

 a. h. c. 



Fig. 94. — Galls of Aphilotlirix alhopunctota • a. Collected by myself; 

 h. Scblecbtendal's type ; c. Sclienck's type. 



94. ApltilothrLv albopimciata, Schlechtendal. — This gall 

 is developed in April from the buds of the last year's twigs 

 of Quercus puhescens, Q. peciiinculata, and Q. sessili/lora. 

 It is elongately oviform, — 5 to Q'Q millimetres in length, and 

 3 to 4 millimetres in breadth, — smooth, green (later often 

 yellowish brown), more or less covered with elliptical 

 whitish spots placed lengthwise. It has at the apex a 

 small (sometimes indistinct), brown, well-marked papilla, 

 and is surrounded at the base with the bud-scales. In 

 section the gall exhibits an outer, at first somewhat soft but 

 quickly hardening, rind, which surrounds the moderately 

 thick-walled, woody, inner gall, and is attached to it. The 

 gall falls from the bud in the first fortnight of May; and 

 according to Schlechtendal the gall-Hy emerges at the end of 

 November. .As early as 18(Jo this gall was described by 

 Professor Schenck, in his ' Beitr. z. Keuntniss d. nass. 

 Cynip.' (p. 116); but he only bred Synergi from the galls 



