North American Phylloxerinae affecting Hicoria (Carya) and other trees . PLATE XIX. Phylloxera rileyi Riley. Fig. 151. Apterous female—much enlarged. Fig. 152. Pupa—much enlarged. Fig. 153. Migrant—much enlarged. Fig. 154. Antenna of migrant— greatly enlarged. PLATE XIX. PLATE XX. Phylloxera querceti Pergande, n. sp. Fig. 155. Apterous female—much enlarged. Fig. 15&. Pupa—much enlarged. Fig. 157. Protuberance of pupa—greatly enlarged. Fig. 158. Migrant—much enlarged. PLATE XX


Size: 1225px × 2039px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1900, bookidcu3192401836, bookyear1904