Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Interactive image map to choose major taxa Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar
Upcoming Events

National Moth Week was July 19-27, and the Summer 2025 gathering in Louisiana, July 19-27

Photos of insects and people from the 2024 BugGuide gathering in Idaho July 24-27

Moth submissions from National Moth Week 2024

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27


Photo#844048
A 'mast-like' year for oak galls - Feron crystallinum

A 'mast-like' year for oak galls - Feron crystallinum
Del Puerto Canyon, stanislaus County, California, USA
September 7, 2013
A view of boughs of the same oak, taken from a few steps further back. Again, the dominant gall in terms of cover and numbers is Andricus crystalinnus.

Images of this individual: tag all
A 'mast-like' year for oak galls - Feron crystallinum A 'mast-like' year for oak galls - Feron crystallinum A 'mast-like' year for oak galls - Feron crystallinum A 'mast-like' year for oak galls - Feron crystallinum