Omalus puncticollis (Mocsary, 1887)

Dataset
GBIF Backbone Taxonomy: Rank
SPECIES

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Classification

kingdom
Animalia: phylum
Arthropoda: class
Insecta: order
Hymenoptera: family
Chrysididae: genus
Omalus: species
Omalus puncticollis

biology

Biology. Habitat: forest margins and clearings, semi-open sandy areas. Adults are usually found sitting on or flying near leaves of trees and bushes, occasionally also on flowers of Apiaceae (Kunz 1994). Flight period: June to August. Host: Passaloecus gracilis (Curtis), Passaloecus eremita Kohl, Passaloecus corniger Shuckard and Passaloecus turionum Dahlbom (Crabronidae) (Spooner 1954, Gauss 1967, Mocsary 1912).

diagnosis

Diagnosis. Length 3 - 6 mm. The species is easily confused with Omalus aeneus, but the mesoscutum always has relatively large scattered punctures and long setae (Fig. 24). The pronotum has also larger punctures medially (Fig. 24) and the apical notch of T 3 is deeper (Fig. 25). The body colouration is similar to Omalus aeneus. Habitus of large specimens can sometimes resemble small specimens of Pseudomalus violaceus, but the ventral margin of the mesopleuron is not as strongly projecting in Omalus puncticollis (as in Fig. 19) and the large punctures of the mesoscutum are not clumped postero-medially.

Name

Synonyms: Ellampus puncticollis Mocsáry, 1887; Omalus aeneus puncticollis (Mocsáry, 1887)
Homonyms: Omalus puncticollis (Mocsary, 1887)
Common names: punktuert kulegullveps in Norwegian Bokmål; rynkig glansguldstekel in Swedish

Bibliographic References

Abenius, Cederberg, Hellquist, Paukkunen, Soon & Sörensson (2008) Chrysididae Workshop
Paukkunen, Rosa, Soon, Johansson & Ødegaard (2014) Faunistic review of the cuckoo wasps of Fennoscandia, Denmark and the Baltic countries (Hymenoptera: Chrysididae)