Perilampus micans Dalman, 1820

Mitroiu, Mircea-Dan & Koutsoukos, Evangelos, 2023, Perilampus neglectus and other neglected species: new records of Palaearctic Perilampidae (Hymenoptera, Chalcidoidea), with a key to European species of Perilampus, Journal of Hymenoptera Research 96, pp. 57-99 : 57

Perilampus micans Dalman, 1820

Fig. 10

Perilampus micans Dalman, 1820: 173.

Perilampus auriceps Walker, 1833: 142. Synonymy by Kerrich (1958: 77).

Perilampus femoralis Walker, 1833: 142. Synonymy by Darling (1996: 119).

Chrysolampus lycti Crawford, 1914: 75. Synonymy by Darling (1986: 918).

Diagnosis.

Head green or blue-green; mesosoma dorsally blackish with slight blue-green reflections; metasoma black; female flagellum dark brown. Body size: 2.0-3.5 mm. Head shape in frontal view (Fig. 10A ) much wider than high. Head in lateral view not unusually long, without distinct sulcus separating posterior eye margin from temple. Clypeal margin (Fig. 10A ) truncate. Supraclypeal area (Fig. 10A ) quadrate, sides well defined; in male without oval lateral impressions. Malar sulcus versus anterior margin of malar depression slightly shorter. Frontal keels (Fig. 10A ) not developed. Face between scrobes and eye (Fig. 10A ) almost smooth. Face between clypeus and eye (Fig. 10A ) strongly striate. Lateral ocellus small (OOL at least twice the largest ocellar diameter). Funicular segments in female: most segments quadrate to transverse. Mesosoma (Fig. 10B ) narrow (more than 1.4 × as long as wide). Mesoscutum sculpture (Fig. 10B ) without smooth median tubercle; interspaces smaller than punctures, carinate. Scutellum hind margin (Fig. 10B ) with a double carina, without bilobed protruding projection. Prepectus (Fig. 10C ) wide, dorsal margin longer than pronotal collar; well defined anteriorly (i.e. suture with pronotum very distinct); all sides with punctures, leaving a smooth central area.

Material examined.

Germany: 1♀, " Germany, Munich , VI.1922, Prof. Eseheniel", "Ex Lyctus linearis", "Pres. by Imp. Inst. Ent. Brit. Mus. 1933-190", "Perilampus Perilampus Dlm., Ch. Ferrière det." (NHMUK) . Sweden: 1♀, "Sm., Hornsö, Långemåla, 9/7 1941, O. Lundblad ", "Standing over Perilampus Perilampus in Hedqvist coll., NHMUK(E) 2011-27" (NHMUK) .

Hosts.

Associated with Lyctidae ( Coleoptera ), Oecophoridae , Pyralidae ( Lepidoptera ); hyperparasitoid of Braconidae ( Hymenoptera ). According to Bouček, the " Perilampus micans -group [contains] primary parasites of xylophagous beetles" ( Bouček 1956: 89).

Distribution.

Armenia, Croatia, France, Germany, Hungary, India, Indonesia, Malaysia, Slovakia, Sweden, United Kingdom, United States of America.

Comments.

This is one of the most distinct species of Perilampus due to the strongly striate lower face (Fig. 10A ), the narrow mesosoma (Fig. 10B ), the double carina at the posterior margin of scutellum (Fig. 10D ), and the completely reticulate propodeum (Fig. 10D ).

Figures

Figure 10. Perilampus micans A female, head in frontal view B female, head and mesosoma, dorsal view C female, prepectus D female, propodeum.