Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Genus Craesus


Sawflies of the genus Croesus Leach in North America. (Hymenoptera: Tenthredinidae).
By Smith, D. R.
Journal article : Proceedings of the Entomological Society of Washington 1972 Vol.74 No.2 pp.169-180 ref.12

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Key to Species (Larvae and Adults)
Croesus castaneae, Croesus curvarius, Croesus latitarsus, Croesus varus

Types and biological notes of the eastern North American sawflies of Pontania Costa and Phyllocolpa Benson (Hym.:Tenthredinidae)
By Zinovjev A.G., Smith D.R.
Proc. Entom. Soc. Wash. 101: 359-371, 1999

The genera of Nematinae (Hymenoptera, Tenthredinidae)
By Prous M, Blank SM, Goulet H, Heibo E, Liston A, Malm T, Nyman T, Schmidt S, Smith DR, Vårdal, H, Viitasaari M, Vikberg V, Taege
J. Hymenopt. Res. 40: 1–69, 2014

Expanding ranges for four species of invasive sawflies (Hymenoptera: Tenthredinidae) in the eastern United States
By Smith D.
Proceedings of the Entomological Society of Washington 105: 246-248, 2003

Sawflies (Hymenoptera, Symphyta) newly recorded from Washington State
By Chris Looney, David R. Smith, Sharon J. Collman, David W. Langor, Merrill A. Peterson
Chris Looney et al. / Journal of Hymenoptera Research 49: 129–159 (2016)

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List of species:
Xiphydria prolongata, Neodiprion sertifer, Diprion similis, Gilpinia hercyniae, Cladius grandis, Cladius gregarius, Pristiphora geniculata, Pristiphora rufipes, Craesus alniastri, Nematus lipovskyi, Heterarthrus nemoratus, Heterarthrus vagans, Metallus lanceolatus, Fenusella nana, Profenusa thomsoni, Profenusa inspirata, Fenusa ulmi, Halidamia affinis, Monophadnus pallescens, Eupareophora parca, Monostegia abdominalis, Macrophya punctumalbum

List of the Sawflies (Hymenoptera: Symphyta) of Virginia
By Smith D.R.
Banisteria 28: 3-23, 2006

The genera and subgenera of the sawflies of Canada and Alaska (Hymenoptera: Symphyta)
By Goulet H.
The insects and arachnids of Canada, Pt. 20. Ottawa: Agriculture Canada. 235 pp., 1992
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Covers all the symphytan families

Keys to the insects of the European part of the USSR. Vol. 3. Hymenoptera. Part 6.
By Zhelokhovtsev A.N., Tobias V.I., Kozlov M.A.
Keys to the Fauna of the USSR 158: 1-432, 1993
English translation from the 1988 Russian edition [which i use].
Covers the 'Symphyta' (close to 900 spp.) and a number of minor taxa of parasitic wasps (Trigonaloidea, Stephanoidea, Evanioidea, and Paxylommatidae). Somewhat outdated yet thorough treatment with lots of useful info.