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Xiphydriidae
Xiphydriidae is a family of wood wasps that includes around 150 species. They are located all over the world including North and South America, Australia, Europe, and others. They are characterized as having long and skinny necks with dome-shaped heads. Xiphydriidae are known for being a form of wood borer in dead trees or branches.

http://sea-entomologia.org/PDF/Boletin54/171174BSEA54PhiloperraChile.pdf

Taxonomy
Kingdom-Animalia

Phylum-Arthropoda

Class-Insecta

Order-Hymenoptera

Suborder-Symphyta

Family- Xiphydriidae

https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=152852#null

Anatomy and morphology
Head:

·       Most of the species of Xiphydriidae have antennae that are filiform and various in length.

·       The antennal segments vary in number ranging from 14 to 22.

·       The maxillary and labial palpi shape and length varies by species.

·       They have an occipital carina which is a ridge in the back of the head.

Thorax:

·      The pronotum is medially constricted.

·      Parts of the thorax are generally smooth and shiny.

http://idtools.org/id/sawfly/factsheet.php?name=17601

Abdomen:

·      The segment of the abdomen called the gaster can have an orange, red, or yellow coloring pattern.

https://www.zobodat.at/pdf/Beitraege-zur-Entomologie_58_0015-0095.pdf

https://www.delta-intkey.com/britin/hym/www/xiphydri.htm

Larva
·      The Xiphydriidae larvae phytophagous, meaning bore into dead or weak trees and plants.

·      They are legless or have vestigial legs.

·      The head is as long as broad.

·      As a larva, the antenna contains three or four segments

Image:

https://artsandculture.google.com/asset/grampians-bioscan-xiphydriidae-larva-sawfly-wasp-larva-joshua-grubb/1gGshHVRJlCf4w?hl=en

Adult
Adults are 6-21mm long.

Ecology
·       Xiphydriidae bore into dead trees so they do not have a negative effect to the environment.

·       They can be a secondary pest to humans because of the dead wood people may bring into their homes.

·       In Japan, female Xiphydriidae were dissected and fungal spores were found.

·       Mucus was also in the glandular organs of some of the wood wasps.

https://academic.oup.com/aesa/article-abstract/93/2/312/77353?redirectedFrom=PDF

https://www-jstor-org.pallas2.tcl.sc.edu/stable/pdf/25078190.pdf?refreqid=excelsior%3Aed6e6b328baf433d7f660f86af0be9a8

https://www.srs.fs.fed.us/pubs/ja/ja_jennings001.pdf

https://www.srs.fs.usda.gov/pubs/ja/ja_smith009.pdf