Kolopterna nettae, Yegorenkova & Yefremova, 2024

Yegorenkova, Ekaterina N. & Yefremova, Zoya A., 2024, Revision of the genus Kolopterna Graham (Hymenoptera: Eulophidae), with description of three new species, Israel Journal of Entomology (Oxford, England) 53 (17), pp. 63-91 : 78-81

Kolopterna nettae n. sp.

( Fig. 7A – H)

LCID: urn:lsid:zoobank.org:pub:D0226141-A53C-4B54-80FC-4547C9300C87 .

Etymology: This species is named after the first name of Prof. Netta Dorchin, the chief curator of the National Collection of Insects, SMNHTAU, Israel and the president of the Entomological Society of Israel, who collected the hosts and reared the wasps.

Diagnosis: Female. POL 1.6× OOL. Antenna. F1 2.8–3.0×, F2 2.1–2.4×, clava 2.0–2.2× as long as wide ( Fig. 7E). Pronotum 0.4× as long as mesoscutum ( Fig. 7A), mesoscutum with two rows of 4 adnotaular setae on each side. Forewing ( Fig. 7C) with apical margin, between PMV and apex of wing, bare, speculum open below, SMV with 4 setae ( Fig. 7F), MV 1.4× shorter than costal cell. Gaster 1.7–1.9× as long as wide. Body yellow ( Fig. 7B). Male. Antenna with pedicel plus flagellum 1.2× as long as width of mesoscutum; scape with ventral plaque 0.30× as long as scape, F1 1.6×, F2 2.1×, F3 2.0×, F4 2.2×, clava 4.6× as long as wide; forewing with apical margin, between PMV and apex of wing, bare ( Fig. 7H); speculum open below.

Description: Female. Body length 1.4–1.9 mm (HT 1.7 mm). Color: Body yellow. Head yellow; occiput brown, antenna brownish, eye red; ocelli red. Mandibles brown. Legs yellow; gaster yellow with brownish bands ( Fig. 7A, B). Head. 2.2× as long as wide; eye 1.2× as long as height and as long as malar space. Malar sulcus with sublinear fovea below eye extending 0.50× length of gena. Mandibles with two big teeth. POL 1.6× OOL. Antenna ( Fig. 7E) inserted above lower level of eyes, with scape 5.7× as long as wide and 1.1× as long as eye. Pedicel 2.0× as long as wide. Flagellum: first two anelli lenticular, third almost quadrate with two setae, F1 2.8–3.0× as long as wide, and 1.2× as long as F2, F1 1.1× as long as pedicel, F2 2.1–2.4× as long as wide, and F3 2.3× as long as wide, clava 3-segmented, 2.0–2.2× as long as wide and 2.1× as long as F3. Mesosoma. Pronotum 4.0× as wide as long and 0.4× as long as mesoscutum. Mesoscutum finely reticulate 1.3× as wide as long, with two rows of adnotaular setae on each side first with 2, second with 2 setae; median line indistinct not complete. Scutellum 1.05× as wide as long, finely reticulate with submedian lines ( Fig. 7A). Dorsellum 4.2× as wide as long. Propodeum 8.6× as wide as long, and 1.1× as long as dorsellum; callus with four setae in one row. Forewing ( Fig. 7F) 2.2× as long as wide, with apical margin, between PMV and apex of wing, bare; speculum open below; MV 1.4× shorter than costal cell, about 7.0× as long as broad; SMV with 4 setae; MV 1.1× as long as SMV and 3.4× length of STV, its front edge with 7 setae; STV bare except for 1 seta in the middle of the stigma; STV 3.0× as long as PM. Hindwing apically rounded. Legs: hind tarsi with T2 1.9× as long as T1. Metasoma. Petiole small, smooth. Gaster 1.7–1.9× as long as wide, about 1.1× as long as mesosoma ( Fig. 7B). Ovipositor ( Fig. 7G) sheaths sclerotized (dark brown), covered by numerous trichoid sensillae, extended part of them short ( Fig. 7C).

Male. Body length 1.1–1.3 mm. Color as in female ( Fig.7C, D, H). Head. 2.5× as wide as long. Malar sulcus with sublinear fovea below eye extending 0.5× length of gena ( Fig. 7D). POL 1.6 × OOL. Antenna ( Fig. 7H) with scape 4.0× as long as wide; pedicel plus flagellum about 1.2× width of mesoscutum. Scape with ventral plaque about 0.30× as long as scape, situated in upper part; pedicel 1.6× as long as wide, with 1 anellus; flagellomeres F1–F4: F1 1.3× as long as pedicel, 1.6× as long as wide, and 1.2× shorter than F2, F2 2.1× as long as wide, and F3 2.0× as long as wide, F3 1.1× shorter than F2, F4 2.2× as long as wide, F4 as long as F3, clava 3-segmented, 4.6× as long as wide and 2.3× as long as F4, C1 1.4× long as wide, C2 1.3× as long as wide, C3. Whorled setae of F1 reaching middle of F2, F2 reaching middle of F4, whorls of F3 reaching middle of C1 ( Fig. 7H). Mesosoma. Mesoscutum finely reticulate 1.3× as wide as long, with two rows of adnotaular setae: in first row and in the second by 2 setae on each side, median line indistinct. Scutellum 1.1× as wide as long, finely reticulate with yellow setae. Propodeum 8.6× as wide as long, callus with 4 setae in one row. Forewing 2.2× as long as wide; SMV with 4 setae; MV with 7 setae. PMV as stub. MV 4.7× as long as STV, speculum large and extended behind MV, open. Hindwing apically rounded. Legs: hind tarsi with T2 1.9× as long as T1. Metasoma. Petiole small smooth. Gaster 1.6× as long as wide.

Molecular identification: 28S rRNA sequence was deposited in GenBank under accession number OR607986.

Holotype: Israel: ♀, Nahal Paran, 30°19'54"N 34°56'12"E, 7.iii.2017, N. Dorchin, ex Asphondylia sp. 1 , ex Salsola imbricata (SMNHTAU) .

Paratypes: Israel: 13♀, 11♂, same data as holotype, 1♀, on slide [SMNHTAU]; 12♀, 31♂, Nahal Paran, 30°19'54"N 34°56'12"E, 7.iii.2017, N. Dorchin, ex Asphondylia sp. 2 , ex Salsola tentrandra (SMNHTAU) (1♀ used for DNA analysis); 10♀, HaMeshar, 30°27'19"N 34°56'08"E, 27.ii.2020, N. Dorchin, ex Asphondylia sp. 1 , ex Salsola tentrandra (SMNHTAU) ; 5♀, Nahal Shezaf Nature Reserve, 30°44'N 35°15'E, 7.iii.2022, N. Dorchin, ex Asphondylia sp. 3 , ex Salsola cyclophylla [SMNHTAU].

Distribution: Israel.

Hosts: Endoparasitoid of gall midges Asphondylia spp. ( Diptera : Cecidomyiidae ), causing galls on Salsola imbricata (Forssk.) , Salsola cyclophila Baker and S. tetrandra Forssk. ( Chenopodiaceae ).