Dolerus can be confused with similar species in the subfamily Selandriinae. It can be distinguished from most other genera by the distinct punctures on the head and mesoscutum mesoscutum: the central and dorsal portion of the thorax between the scutellum and postnotum

Biology and behavior Life stages. Sawflies are a group of Hymenoptera, one of the holometabolous insect orders. Holometabolous insects undergo complete metamorphosis and have four life stages: egg, larva larva: the immature stage of holometabolous insects

Authors: Q. Baine, C. Looney, S.K. Monckton, D.R. Smith, N.M. Schiff, H. Goulet, A.J. Redford Content last updated April 2022 idtools.org tool images at ITP NodeITP Node

Taxonomy. Superfamily: Tenthredinoidea Family: Tenthredinidae Family common name: common sawflies Subfamilies: Allantinae, Blennocampinae, Heterarthrinae, Nematinae, Selandriinae, Tenthredininae Background. The family Tenthredinidae is the most species-rich family of sawflies; this family makes up about 66% of all sawfly species (Taeger et al. 2010 Taeger et al. 2010:

PLANT FAMILY PLANT SPECIES PLANT COMMON NAME ASSOCIATED SAWFLIES ASSOCIATION REFERENCE LINK; Aceraceae: Acer campestre: hedge maple: Xiphydria prolongata: larval host: Smith 1978:

Descriptions of larvae of eight Nearctic species of Dolerus (Hymenoptera: Tenthredinidae) with focus on six Equisetum-feeding species from the Ottawa region. The Canadian Entomologist 124: 999–1014.

Dolerus: Cyperaceae: Carex spp. sedge: Dolerus nitens: Goulet 1986 Goulet H. 1986. The genera and species of the Nearctic Dolerini (Symphyta: Tenthredinidae: Selandriinae): classification and phylogeny. Memoirs of the Entomological Society of Canada 135: 1–208. Dolerus: Cyperaceae: Carex spp. sedge: Dolerus nortoni: Goulet 1986 Goulet H. 1986.

Dolerus Panzer, 1801 Prionourgus Goulet, 1986 Tribe Heptamelini Heptamelus Haliday, 1855 Tribe Selandriini Brachythops Curtis, 1839 Tribe Strongylogastrini Eriocampidea Ashmead, 1898 Strongylogaster Dahlbom, 1835 Thrinax Konow, 1885 Subfamily Tenthredininae Tribe Macrophyini Deda Gibson, 1980 Macrophya Dahlbom, 1835 Pachyprotasis Hartig, 1837

Craterocerus obtusus male lateral habitus; photo by J. Orr, WSDA. Craterocercus. Craterocerus obtusus

, and from the other Dolerini genus in the tribe, Dolerus, by the malar space malar space: the minimum distance between the base of the mandible and the ventral margin of the compound eye length and the clypeus clypeus: sclerotized area on the front of the head located between the antennal insertions and labrum margin (Goulet 1992 Goulet 1992: