. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. 138. C e c i d o m y i a Crataegus, ai840. (Original) Fig. 139. Thorn vein gall, L o b o p t -eromyia venae Felt, typical andconfluent forms. (Original) Cockscomb leaf gall, green and red, length i cm. Felt 07a, p. 160 Itonid. Thorn cockscomb gall, Hormomyia crataegifolia Felt KEY TO AMERICAN INSECT GALLS 137. ELBGutenmuller Fig. 140. 1-3. Cinquefoil axil gall, Gonaspis potentillae Bass. 4-i4- Diastrophusniger Bass. 15, 16. Fusiform stem gall, D. fusiformans Ashm. (After Beutm., Am. Mus,Nat.
. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. 138. C e c i d o m y i a Crataegus, ai840. (Original) Fig. 139. Thorn vein gall, L o b o p t -eromyia venae Felt, typical andconfluent forms. (Original) Cockscomb leaf gall, green and red, length i cm. Felt 07a, p. 160 Itonid. Thorn cockscomb gall, Hormomyia crataegifolia Felt KEY TO AMERICAN INSECT GALLS 137. ELBGutenmuller Fig. 140. 1-3. Cinquefoil axil gall, Gonaspis potentillae Bass. 4-i4- Diastrophusniger Bass. 15, 16. Fusiform stem gall, D. fusiformans Ashm. (After Beutm., Am. Mus,Nat. Hist.) 138 NEW YORK STATE MUSEUM Filamentous, subglobular vein gall, length i cm. Walsh 67, p. 266 Itonid. Tufted thorn gall. Cecidomyia bedeguar Walsh Subglobose, greenish, sometimes confluent, frequently pointed, polythalamous vein gall, the under surface a variable brown or reddish, diameter about 3 mm. Fig- 137 Itonid. Cecidomyia sp. a2727Fusiform, thickened vein fold gall, greenish or reddish, length i cm, diameter2 mm. Fig. 138 Itonid. Cecidomyia sp. ai840Stout, cup-shaped, fimbriate, unicellular leaf gall. Felt o8e, p. 422 Itonid. Fpitiged cup gall, Winnertzia hudsonici FeltCylindric, green, fimbriate, unicellular leaf gall, length 4 to 5 mm, height Felt 156, p. 206 Itonid. Rhizomyia absobrina FeltReared from the same gall. PI. 11, fig. 2, 3. Felt o8e, p. 408 Itonid. Lestodiplosis crataegi
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectinsects, bookyear1882
