ON LIMES 217 



TILIACEAE 



Tilia platyphyllos Scop. 3. Broad-leaved Lime. 

 Diptora Globular growths instead of flowers, flower stalks and 



branches swollen, with rounded or elongated tumours 



upon thein, 2 to 10 mm. in diameter, reddish or green. 



Larvae solitary or gregarious, sulphur-yellow. M. E. 



Imago, August, I., or spring, II. 615 



CONTARINIA TILIARUM Kieffer 616 

 Syn. Cecidomyia tiliae Sch., Cecidomyia tilicola Rud. 617 

 Connold, Veg. Galls, pi. 30. Houard, Nos. 4122, 4123, 



4125. 



Tilia vulgaris Hayne {europaea Linn.). Common 

 Lime. 

 ,, Leaf margin rolled upwards and thickened, leathery, 



tinted greenish -yellow or dark red. Usually the distortion 

 is limited to the margin near the petiole, sometimes, 

 however, the whole of one side is involved. Larvae 

 gregarious, reddish-yellow. M. E. Imago, II. 



Perrisia tiliamvolvens Riibs. 618 

 Houard, No. 4160. 



„ Flower stalk swollen. See No. 616 and Plate VIII. 7. 



CONTARINIA TILIARUM Kieffer 6ig 

 Connold, Veg. Galls, pL 121 ; Plant Galls, fig. 150. 

 Houard, No. 4154. 



Acari Margins of the bracts more or less swollen and curled, 



often sickle-shaped, slightly pubescent. Yellowish-green, 

 suffused with red. July to September. 



Eriophyes tiliarius Con. 620 

 Syn. Phytoptus tiliarius Murray. 

 Connold, Veg. Galls, pi. 69; Plant Galls, fig. I49- 

 Houard, No. 4132. ? 



,, Leaf margin more or less rolled upwards, the interror 



of the roll is very hairy ; sometimes reddish-brown with- 

 out. 



Eriophyes tetratrichus Nalepa 621 

 Syn. Phytoptus tetratrichus Nalepa. 

 Connold, Veg. Galls, pi. 67 J Plant Galls, fig. 147. 

 Houard, No. 4159. 



,, Glabrous, tubular projections, about 8 mm. high, on the 



upper surface of the leaf, often very numerous; yellowish - 

 green, reddish, or purple-brown. Hairy within, the open- 



