Ormyrus nitidulus


Ormyrus nitidulus is a parasitoid species of wasp in the family Ormyridae. It is primarily associated with oak gall wasps. Ormyrus nitidulus is a small metallic wasp approximately 5mm long as an adult. It has a fairly widespread distribution being found across North Africa, the Middle East, North America and Europe.

Distribution

The Universal Chalcidoidea Database cites distribution records for Ormyrus nitidulus from: Algeria, Andorra, Austria, Azerbaijan, Belgium, Bosnia Hercegovina, Bulgaria, Caucasus, Croatia, Czech Republic, Czechoslovakia, Denmark, Europe, France, Georgia, Germany, Greece, Hungary, Iran, Italy, Sardinia, Sicily, Jordan, Macedonia, Netherlands, North Africa, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey, Ukraine, United Kingdom, United States of America, USSR, Yugoslavia.
GBIF holds for ''Ormyrus nitidulus''

Biology

Ormyrus nitidulus larvae are idiobiont ectoparasitoids primarily associated with oak gall wasps including multiple species of Andricus and one species of gall midges: Oligotrophus bergenstammi. T

Morphology and identification

Ormyrus sp. are generally characterised by bright metallic colours, coarsely crenulated sculpture of the metasoma, well-developed hind coxae, short stigmal veins and two stout and curved metatibial spurs. As of 2016 there are 4 species of Ormyrus recognised in the UK: Ormyrus gratiosus, Ormyrus papaveris, Ormyrus nitidulus and Ormyrus pomaceus. In order to distinguish between Ormyrus species there are a number key resources available including: and .

NHM data portal

There are 10 specimens of Ormyrus nitidulus available to view on the . This includes 4 specimens from the Antoni Ribes Escolà Collection.