Galles sur deux feuilles de chêne blanc. Cette galle est appelée galle de flocon de chêne, causée par la ponte des œufs par la guêpe cynipide. Oklahoma, États-Unis.

• Contributeur: A LaRue / Alamy Banque D'Images
• ID de l’image: H7NJPK
• Taille du fichier: 30,5 MB (2,2 MB Téléchargement compressé)
• Autorisations: Modèle - non | Propriété - non
• Dimensions: 2918 x 3648 px | 24,7 x 30,9 cm | 9,7 x 12,2 inches | 300dpi
• Date de la prise de vue: 29 avril 2016

Informations supplémentaires

This is a gall on a white oak, Quercus alba, leaf. This gall is called an oak flake gall. Gall wasps, also called gallflies, are a family, Cynipidae, of the order Hymenoptera and are classified with the Apocrita suborder of wasps in the superfamily Cynipoidea. Their common name comes from the galls they induce on plants for larval development. About 1300 species of this generally very small creature, 1-8 mm, are known worldwide, with about 360 species of 36 different genera in Europe and some 800 species in North America. Most gall-making insects are adelgids, phylloxerans, psyllids, gall midges, or gall wasps, cynipids. Of the more than 2, 000 gall-making insects in the U.S., over l, 700 are gall midges or gall wasps.

Recherche dans la banque de photos par tags

• feuille de chene
• fiel
• fouillis
• fuzzy
• galette de chêne
• galles de chêne
• galles des feuilles
• leaf gall
• quercus alba
• white oak leaf