Macremphytus testaceus
(Norton, 1861)
Macremphytus testaceus is a in the Tenthredinidae. Sawflies are primitive members of the order Hymenoptera, distinct from the more familiar bees, , and ants. Unlike their predatory or pollinating relatives, M. testaceus and related sawflies are herbivorous, with larvae that feed on leaves. The species is distributed across Canada, with records from Alberta, British Columbia, Manitoba, and New Brunswick.


Pronunciation
How to pronounce Macremphytus testaceus: /məˈkrɛmfɪtəs tɛsˈtæsiəs/
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
Larvae can be distinguished from caterpillars (Lepidoptera larvae) by having six or more pairs of fleshy on abdominal segments, rather than five or fewer. resemble small -like insects.
Images
Distribution
Canada: Alberta, British Columbia, Manitoba, New Brunswick.
Sources and further reading
- BugGuide
- GBIF taxonomy match
- iNaturalist taxon
- NCBI Taxonomy
- From the Bug of the Week Mailbag: Who’s been munching on my deck? Dogwood sawfly, Macremphytus tarsatus — Bug of the Week
- What lies beneath the wax? A duo of leaf-eating sawflies: Dogwood sawfly, Macremphytus tarsatus, and Butternut woollyworm, Eriocampa juglandis — Bug of the Week
- ID Challenge #2 | Beetles In The Bush