54 
BRITISH GALLS 
The following list of British lepidopterous gall-causers is 
arranged according to the food-plants of the larvae: 
Agrimony, Hemp ( Enpatovium cannabinum Linn.). 
Pterophorus microdactylus Htibner : Swelling in the stem. 
Alder ( A Inns rotundifolia Mill.). 
Argyresthia Goedartella Linn.: Staminate catkins swollen 
and deformed. 
Epiblema tetraquetrana Haw.: Twig swollen at base of a 
petiole. 
Aspen ( Popidus tvemula Linn.). 
Nepticula avgyropeza Ze 11 .: Petiole swollen close to the 
leaf. 
Laspeyresia corollana Hb.: Shoot swollen. 
Honeysuckle ( Lonicerci Caprifolium Linn., L. Periclymenum 
Linn., and L. Xylosteum Linn.). 
Ovneodes liexadactyla Linn.: Flowers swollen, not opening. 
Juniper ( Juniperus communis Linn.). 
Lobesiapermixtana Hiib.: Knotty swelling on the stem. 
Knotgrass (Polygonum aviculare Linn.). 
Augasma aeratella Zell.: Bud greatly hypertrophied. 
Pine, Scotch (Pinus sylvestris Linn.). 
Laspeyresia cosmophorana Tr.: Resinous swelling in the 
bark of a branch. 
Dioryctria splendidella H. S. : Lumps of resinous exuda¬ 
tion in a branch. 
Rhyacionia resinella Linn.: Globular mass of resinous 
exudation at the apex of a twig. 
Plantain, Ribwort (Plantago lanceolata Linn.). 
Tortrix paleana Herb.: Flower spike swollen and de¬ 
formed. 
Oak (Qu evens robur Linn.). 
Pammene splendidulana Guenee : Young branches swollen. 
Stenolechia gemmella Linn. : Extremity of a branch in¬ 
curved and swollen. 
Heliozela stanneella Fisch. V. R.: Midrib and petiole 
swollen. 
Poplar, Black ( Populus nigra Linn.). 
