Roproniidae

Genus Guides

Ropronia

is a of parasitic in the superfamily Proctotrupoidea. The family contains only two extant , *Ropronia* and *Xiphyropronia*, with the remainder known from fossils dating from the Jurassic to Paleocene. Extant occur in Eurasia and North America. At least some living species parasitize larvae of tenthredinid .

Pronunciation

How to pronounce Roproniidae: /roʊˈproʊni.aɪdiː/

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Distribution

Extant are known from Eurasia and North America. The *Ropronia* occurs in Asia and North America; *Xiphyropronia* is known from China. Fossil genera have been described from China (Middle Jurassic and Early Cretaceous), Russia (Early Cretaceous), Myanmar (Late Cretaceous), and France (Paleocene).

Host Associations

Tenthredinidae - At least some living parasitize larvae of tenthredinid

More Details

Fossil record

The has an extensive fossil record with six described extinct : †*Beipiaosirex* (Middle Jurassic, China), †*Jeholoropronia* (Early Cretaceous, China), †*Mesohelorus* (Middle-Late Jurassic, China), †*Mesoropronia* (Early Cretaceous, Russia), †*Paleoropronia* (Paleocene, France), and †*Phoriostephanus* (Late Cretaceous, Myanmar). The fossil genus †*Protohelorus* is also assigned to this family.

Biological knowledge

Multiple sources explicitly state that is 'biologically unknown' beyond the single record from tenthredinid . The is grouped with other extralimital families (, Peradeniidae, Proctorenyxidae) for which no biological data exists.