| Pamphilius | |
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| Pamphilius sp., with larvae of acars | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Hymenoptera |
| Suborder: | Symphyta |
| Family: | Pamphiliidae |
| Genus: | Pamphilius Latreille, 1802 |
Pamphilius is a genus of leaf-rolling sawflies within the Symphyta belonging to the family Pamphiliidae.
Species of this genus can reach a length of 10–15 millimetres (0.39–0.59 in). Body is usually black with yellowish spots on the head. Legs are yellow and wings are transparent. Tarsal claws have one apical and subapical tooth. Mandibles are large and sickle-shaped. Adults can be found from May until June.
Larvae may be solitary or form a colony, mainly feeding on deciduous trees. Main host plants are Rosaceae and Betulaceae, others are Salicaceae, Aceraceae, Caprifoliaceae, Fagaceae, Cornaceae and Juglandaceae.
Species of this genus can be found in North America and in Eurasia.
These species prefer hedge rows.
This genus includes about 115 species.
The Orussidae or the parasitic wood wasps represent a small family of sawflies ("Symphyta"). Currently, about 93 extant and four fossil species are known. They take a key position in phylogenetic analyses of Hymenoptera, because they form the sister taxon of the megadiverse apocritan wasps, and the common ancestor of Orussidae + Apocrita evolved parasitism for the first time in course of the evolution of the Hymenoptera. They are also the only sawflies with carnivorous larvae.
The Xyelidae are a comparatively species-poor family of sawflies, comprising about 80 extant species in five genera worldwide, and is the only family in the superfamily Xyeloidea. The fossil record of the family is extensive, comprising more than 120 species and including the oldest fossil Hymenoptera species dating back to the Triassic, between 245 and 208 million years ago. Xyelidae are to be regarded as living fossils since they represent one of the oldest lineages of insects and include still extant forms.
Pamphiliidae is a small wasp family within Symphyta, containing some 200 species from the temperate regions of North America and Eurasia. The larvae feed on plants, using silk to build webs or tents, or to roll leaves into tubes in which they feed, thus earning them the common names leaf-rolling sawflies or web-spinning sawflies. Some species are gregarious and the larvae live in large groups. Fossils of Pamphiliidae have been dated to the Jurassic period.
Tenthredinidae is the largest family of sawflies, with well over 7,500 species worldwide, divided into 430 genera. Larvae are herbivores and typically feed on the foliage of trees and shrubs, with occasional exceptions that are leaf miners, stem borers, or gall makers. The larvae of externally feeding species resemble small caterpillars. As with all hymenopterans, common sawflies undergo complete metamorphosis.
Acantholyda is a genus of sawflies.
Trichiosoma is a genus of cimbicid sawflies in the family Cimbicidae. There are more than 30 described species in Trichiosoma.
Arge is a genus of sawflies belonging to the family Argidae subfamily Arginae.
Megalodontes is a genus of sawflies within the Symphyta belonging to the family Megalodontesidae subfamily Megalodontesinae.
Tenthredo is a genus of sawflies with more than 700 species of the family Tenthredinidae, subfamily Tenthredininae. It is of Holarctic distribution.
Blennocampinae is a subfamily of common sawflies in the family Tenthredinidae. There are more than 100 genera and 600 described species in Blennocampinae.
Orussus is a genus of parasitic wood wasps in the family Orussidae. There are about 30 described species in Orussus.
Periclista is a genus of common sawflies in the family Tenthredinidae. There are at least 20 described species in Periclista.
Ametastegia is a genus of common sawflies in the family Tenthredinidae. There are about 16 described species in Ametastegia.
Pachynematus is a genus of common sawflies in the family Tenthredinidae. There are at least fifty described species in Pachynematus.
Xyela is a genus of sawflies, belonging to the family Xyelidae.
Phylloecus is a genus of sawflies belonging to the family Cephidae.
Megaxyela is a genus of sawflies in the family Xyelidae. There are about 13 described species in Megaxyela, found in the eastern Nearctic and in the southeastern part of East Asia. Two fossil species have been discovered, in Colorado and Shandong, China.
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