ClipArt ETC
Cock's-comb gall on elm, Colopha ulmicola- an elm-leaf showing galls.

Coxcomb

Cock's-comb gall on elm, Colopha ulmicola- an elm-leaf showing galls.

Cock's-comb gall on elm, Colopha ulmicola- winter egg covered by the skin of the true female.

Coxcomb

Cock's-comb gall on elm, Colopha ulmicola- winter egg covered by the skin of the true female.

Cock's-comb gall on elm, Colopha ulmicola- larva just hatched.

Coxcomb

Cock's-comb gall on elm, Colopha ulmicola- larva just hatched.

Cock's-comb gall on elm, Colopha ulmicola- pupa.

Coxcomb

Cock's-comb gall on elm, Colopha ulmicola- pupa.

Cock's-comb gall on elm, Colopha ulmicola- winged ault.

Coxcomb

Cock's-comb gall on elm, Colopha ulmicola- winged ault.