Halidamia affinis

{{Short description|Species of sawfly}}

{{Speciesbox

| image = Sawfly - Halidamia affinis, Carderock Park, Carderock, Maryland.jpg

| image_caption = Halidamia affinis Carderock Park, Carderock, Maryland

| taxon = Halidamia affinis

| authority = (Fallen, 1807)

| synonyms =

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}}

Halidamia affinis is a Palearctic species of sawfly.Benson, R.B., 1952. Handbooks for the Identification of British Insects. Hymenoptera, Symphyta, Vol 6, Section 2(a-c), Royal Entomological Society, London