K\L\ TO AMERICAN INSECT GALLS 



171 



Top-shaped, greenish leaf galls sometimes very abundant on the upper leaf 

 surface, diameter 2.5 mm. Fig. 178, 179. Felt '06b, p. 631 



Acarid. Linden mite gall, Eriophyes abnormis Garm. 



Malvaceae (mallow family) 

 Gossypium (cotton) 



Reared from flower buds. Felt '08b, p. 210 



Itonid. Cotton bud midge, Contarinia gossypii Felt 

 Reared from red spider, on cotton. Felt 'i3n, p. 488 



Itonid. Arthrocnodax carolinae Felt 

 Leaf galls sometimes deforming foliage. Parrott et al. '06, p. 290 



Acarid. Eriophyes gossypii Bnks 



Fig. 178. Linden mite gall, Eriophyes abnormis Fig. i79- Linden mite gall, E r i - 



Garm. Several types of gall in profile and enlarged. ophyes abnormis Garm. Leaf 

 (Original) with numerous galls, presumably 



this species. (Original) 



Pocket-like galls on the mid rib, deforming but not preventing leaf development. 

 Pierce and Morrill, '14, p. 20 



Itonid. Cecidomyia sp. 

 Reared from cambium layer. Coq. '05, p. 200 



Itonid. Porricondyla gossypii Coq. 



Hibiscus moscheutos (swamp rose mallow) 



Variably. swollen stems. Fig. 180. Felt '07a, p. 155 



Itonid. Mallow stem midge, Neolasioptera hibisci Felt 



Hypericaceae (St John's-wort family) 

 Hypericum (St John's-wort) 



Axillary bud galls, length 5 mm, on H. m u t i 1 u m. Felt 'i5e, p. 187 



Itonid. Dasyneura toweri Felt 



