Blasticotomidae

Blasticotomidae

Blasticotoma filiceti
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Hymenoptera
Suborder:	Symphyta
Superfamily:	Tenthredinoidea
Family:	Blasticotomidae Thomson, 1871
Genera
Blasticotoma Klug, 1834 Bohea Maa, 1944 Paremphytus Brues, 1908

The Blasticotomidae are a very small family of sawflies, containing only 9 species in 3 genera worldwide, restricted to temperate regions of Eurasia where the larvae are specialized stem borers of ferns.

The family has antennae somewhat similar to the family Argidae, with only one or two flagellomeres, but can be distinguished by the lateral portions of the metasomal tergites being sharply creased beneath the spiracles.

Extant Hymenopteran families

Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Subclass: Pterygota
Infraclass: Neoptera
Superorder: Endopterygota

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Xyeloidea	Xyelidae
Pamphilioidea	Megalodontesidae Pamphiliidae (web-spinning sawflies)
Tenthredinoidea	Argidae (argid sawflies) Blasticotomidae (fern sawflies) Cimbicidae (cimbicid sawflies) Diprionidae (conifer sawflies) Pergidae (pergid sawflies) Tenthredinidae (common sawflies)

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Cephoidea	Cephidae (stem sawflies)
Siricoidea	Anaxyelidae (cedar wood wasps) Siricidae (horntails)
Xiphydrioidea	Xiphydriidae (wood wasps)
Orussoidea	Orussidae (parasitic wood wasps)

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U
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P
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s
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Ichneumonoidea

Ceraphronoidea

Proctotrupomorpha

Platygastroidea	Platygastridae Scelionidae
Cynipoidea	Austrocynipidae Cynipidae (gall wasps) Figitidae Ibaliidae Liopteridae
Proctotrupoidea (s.str.)	Proctorenyxidae Roproniidae Heloridae Pelecinidae Peradeniidae Proctotrupidae Vanhorniidae
Diaprioidea	Austroniidae Diapriidae Maamingidae Monomachidae
Mymarommatoidea	Mymarommatidae
Chalcidoidea (chalcid wasps)	Agaonidae (fig wasps) Aphelinidae Chalcididae Encyrtidae Eucharitidae Eulophidae Eupelmidae Eurytomidae Leucospidae Mymaridae (fairyflies) Ormyridae Perilampidae Pteromalidae Rotoitidae Signiphoridae Tanaostigmatidae Tetracampidae Torymidae Trichogrammatidae

Evanioidea

Stephanoidea

Stephanidae

Megalyroidea

Megalyridae

Trigonaloidea

Trigonalidae

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u
l
e
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Chrysidoidea

Vespoidea

Tiphioidea

Thynnoidea

Pompiloidea

Scolioidea

Scoliidae (scoliid wasps)

Formicoidea

Formicidae (ants)

Apoidea

Spheciformes (sphecoid wasps)	Ampulicidae (cockroach wasps) Crabronidae (sand wasps, bee wolves) Heterogynaidae Sphecidae (thread-waisted wasps)
Anthophila (bees)	Andrenidae (mason bees) Apidae (honey bees, bumblebees, cuckoo bees, carpenter bees, orchid bees, stingless bees) Colletidae (plasterer bees) Halictidae (sweat bees) Megachilidae (mason bees, leafcutter bees) Melittidae Stenotritidae

Italic are paraphyletic groups

Based on Malm and Nyman (2015) and Peters et al (2017)

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