''Microcostaphron parvus'' is an extinct species of

wasp A wasp is any insect of the narrow-waisted suborder Apocrita of the order Hymenoptera which is neither a bee nor an ant; this excludes the broad-waisted sawflies (Symphyta), which look somewhat like wasps, but are in a separate suborder. Th ...

belonging to the extinct family

Radiophronidae Radiophronidae is an extinct family of wasps known from two genera found in Cretaceous (Albian The Albian is both an age of the geologic timescale and a stage in the stratigraphic column. It is the youngest or uppermost subdivision of the ...

which existed in

Spain , image_flag = Bandera de España.svg , image_coat = Escudo de España (mazonado).svg , national_motto = '' Plus ultra'' ( Latin)(English: "Further Beyond") , national_anthem = (English: "Royal March") , ...

during the early

Cretaceous period The Cretaceous ( ) is a geological period that lasted from about 145 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest. At around 79 million years, it is the longest geological period of ...

. Only a single specimen is known, which was found near

Peñacerrada-Urizaharra Peñacerrada in Spanish or Urizaharra in Basque is a town and municipality located in the province of Álava, in the Basque Country, northern Spain , image_flag = Bandera de España.svg , image_coat = Escudo de España (m ...

in the Basque Country.

References

Ceraphronoidea Cretaceous insects Hymenoptera of Europe Fossil taxa described in 2010 Prehistoric insects of Europe {{cretaceous-insect-stub