Lomatium Rust - Puccinia jonesii 4/22/2016

Lomatium Rust - Puccinia jonesii 4/22/2016

Rhopalomyia hirtipomum on Big sagebrush 3/22/2020

Rhopalomyia hirtipomum and Sagebrush Medusa Gall Midge on Big sagebrush 4/29/2020

Rhopalomyia hirtipomum on Big sagebrush 3/22/2020

Sagebrush Medusa Gall Midge - Rhopalomyia medusa on Big sagebrush 3/22/2020

Sagebrush Medusa Gall Midge - Rhopalomyia medusa on Big sagebrush 3/22/2020

Sagebrush Plum Gall Midge - Rhopalomyia calvipomum on Big sagebrush 5/9/2018

Spiny rose stem gall wasp - Diplolepis spinosa 4/13/2020

Willow Apple Gall Sawfly - Euura californica 5/7/2018

Willow Apple Gall Sawfly - Euura californica 5/7/2018

Willow Pinecone Gall Midge - Rabdophaga strobiloides 7/21/2018

Willow Pinecone Gall Midge - Rabdophaga strobiloides on Narrow-leaf willow 5/22/2021

Willow Pinecone Gall Midge - Rabdophaga strobiloides 7/21/2018

Willow Rose Gall Midge - Rabdophaga rosaria on Narrow-leaf willow 7/28/2025

Willow Rose Gall Midge - Rabdophaga rosaria on Narrow-leaf willow 7/28/2025

Woolly Bud Gall Midge - Rhopalomyia medusirrasa - probably 3/22/2020

Woolly Bud Gall Midge - Rhopalomyia medusirrasa - probably 3/22/2020

Woolly Bud Gall Midge - Rhopalomyia medusirrasa - probably 3/22/2020

Witches' broom on Willow 4/19/2018

Witches' broom on Willow 5/24/2018

Witches' broom on Willow 6/12/2018