Corresponding authors: Ekaterina V. Tselikh (
Academic editor: Petr Janšta
The species of
Tselikh EV, Várkonyi G, Dale-Skey N (2022) Review of the genus
The pteromalid genus
Unfortunately, the biology is unknown for most of the species, but available records suggest they are mostly primary parasitoids of coleopterans in the families
The aim of this work is to describe new species of
The material used in this review is deposited in the
Morphological terminology, including sculpture and wing venation nomenclature, follows
Observations were made using MC-2 ZOOM and Leica MZ16 stereomicroscopes, and images were acquired using a combination of Olympus SZX 10 stereomicroscope and digital camera EOS 70D, Micromed 3 microscope and digital camera ToupCam UCMOS 5.1MP (
Clypeal margin with angular median tooth (
Palaearctic, Nearctic.
1 | Clava yellow (Fig. |
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– | Clava brown or black ( |
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2 | Fore wing with three or four fuscous clouds ( |
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– | Fore wing with two fuscous clouds ( |
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3 | M as long as |
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– | M 0.73–0.90× as long as |
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4 | Basal cell with some hairs on upper part (Fig. |
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– | Basal cell bare (Fig. |
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5 | Fore wing with two fuscous clouds, one median and the other subapical ( |
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– | Fore wing with one fuscous cloud touching stigma ( |
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6 | Combined length of pedicel and flagellum 1.35–1.45× breadth of head. Clava with micropilosity on C3 or rarely C3 and small part of C2 (Fig. |
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– | Combined length of pedicel and flagellum 1.20–1.30× breadth of head. Clava with micropilosity on C3, C2 and sometimes distal half C1 ( |
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7 | Hind coxa dorsally and ventrally thickly setose, ( |
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– | Hind coxa with some setae dorsally but far less than ventrally ( |
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8 | Scutellum with deep median furrow (Fig. |
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– | Scutellum without deep median furrow (Fig. |
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9 | Antenna with F1 2.30–2.80× as long as broad, F2 1.70–2.00× as long as broad (Fig. |
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– | Antenna with F1 2.00–2.15× as long as broad, F2 1.50–1.60× as long as broad (Fig. |
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10 | Fore wing with |
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– | Fore wing with |
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11 | Metapleuron alutaceous, upper mesepimeron with lower part alutaceous, upper part smooth ( |
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– | Metapleuron reticulate, upper mesepimeron reticulate or smooth, upper part smooth ( |
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12 | Combined length of pedicel and flagellum 1.06–1.15× breadth of head. Scutellum irregular rugose (Fig. |
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– | Combined length of pedicel and flagellum 1.30–1.57× breadth of head. Scutellum reticulate ( |
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13 | Antenna with F1 2.50–2.80× as long as broad, with 4–5 rows of sensilla (Fig. |
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– | Antenna with F1 2.15–2.35× as long as broad, with 3 rows of sensilla (Fig. |
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14 | Antenna with F1 2.20–2.45× as long as broad ( |
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– | Antenna with F1 2.00–2.10× as long as broad ( |
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15 | Scutellum coarsely reticulate (Fig. |
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– | Scutellum finely reticulate (Fig. |
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16 | Frenum of scutellum coarsely reticulate (Fig. |
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– | Frenum of scutellum finely reticulate ( |
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17 | Head black (Fig. |
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– | Head metallic green or dark green with diffuse coppery lustre ( |
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18 | Fore wing with M 1.55–1.60× as long as S (Fig. |
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– | Fore wing with M 1.80–1.85× as long as S (Fig. |
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Belgium, Canada, Croatia, Czech Republic, Finland, France, Hungary, Netherlands, Russia (European part), Slovakia, Spain, Sweden, United Kingdom (
Primary parasitoid of
Belgium, Croatia, Czech Republic, Finland, Germany, Hungary, Italy, Moldova, Netherlands, Romania, Russia (European part), Serbia, Slovakia, Spain, Sweden, Switzerland, United Kingdom (
Primary parasitoid of
Head, mesosoma, metasoma Mt2 metallic green with diffuse coppery lustre, Mt3–Mt6 yellowish-brown, Mt7–Mt8 brown. Antenna with scape yellowish-brown, pedicel and flagellum brown. Fore and hind coxa basally metallic green with diffuse coppery lustre, apically yellowish-brown, mid coxa yellowish-brown; all femora, tibiae, and tarsi yellowish-brown. Fore wing with brownish tint and fuscous cloud touching stigma, venation yellowish-brown.
Head in dorsal view 2.20× as broad as long and 1.36× as broad as mesoscutum; in frontal view 1.40× as broad as high.
Mesosoma 1.87× as long as broad. Scutellum finely reticulate, 1.2× as long as broad. Propodeum without nucha, 0.65× as long as scutellum; median carina present. Metapleuron alutaceous, upper mesepimeron smooth. Fore wing 2.40× as long as maximum width; basal cell, cubital vein, basal vein setose; speculum closed;
Metasoma 2.60× as long as broad, 1.15× as long as mesosoma and 0.89× as long as mesosoma and head.
Canary Islands.
Unknown.
Belgium, Croatia, Finland, Germany, Hungary, Moldova, Netherlands, Norway, Russia (European part of Russia, Western Siberia, Russian Far East), Romania, Sweden, United Kingdom (
Primary parasitoid of coleopterans
Head dark metallic blue; mesosoma metallic green with diffuse coppery lustre; metasoma with Mt2 basally metallic bluish-green, apically yellowish-brown, Mt3, Mt4, sometimes Mt5 yellowish-brown, Mt6–Mt8 dark brown; ovipositor sheath black. Antenna with scape and pedicel yellow, flagellum brown. All coxae metallic green with diffuse coppery lustre; all femora, tibiae and tarsi yellow except last segment yellowish-brown. Fore wing with three or four fuscous clouds, venation yellowish-brown.
Head in dorsal view 2.10–2.20× as broad as long and 1.25–1.35× as broad as mesoscutum; in frontal view 1.30–1.40× as broad as high.
Mesosoma 1.65–1.70× as long as broad. Scutellum finely reticulate, 1.0–1.05× as long as broad. Propodeum without nucha, 0.86–0.90× as long as scutellum; median carina present; sculpture alutaceous. Metapleuron alutaceous, upper mesepimeron smooth. Fore wing 2.67–2.85× as long as maximum width; basal cell bare; cubital vein bare; basal vein setose; speculum partly open;
Metasoma 4.47–5.15× as long as broad, 1.90–2.02× as long as mesosoma and 1.45–1.48× as long as mesosoma and head; Mt2 deeply emarginate medially, Mt8 1.90–2.10× as long as broad. Ovipositor sheath projecting beyond apex of metasoma.
Head metallic green with diffuse coppery lustre; metasoma brown with diffuse coppery or metallic green lustre. Fore wing with four fuscous clouds, venation yellowish-brown.
Head in dorsal view 1.20–1.31× as broad as mesoscutum. Eye height 1.50–1.60× eye length and 2.10–2.30× as long as malar space. Distance between antennal toruli and lower margin of clypeus 1.28–1.40× distance between antennal toruli and median ocellus. Pedicel 1.60–1.63× as long as broad and 0.30–0.32× as long as F1; combined length of pedicel and flagellum 2.34× breadth of head; F1 5.60–7.00× as long as broad; clava 4.66× as long as broad.
Metasoma 4.60–5.30× as long as broad, 1.12–1.16× as long as mesosoma and 0.86–0.87× as long as mesosoma and head. Otherwise, similar to female.
The species is named in honour of the senior author’s brother, Sergej Gribanov.
Russia (European part, Western Siberia).
Unknown.
Russia (Far East), Japan.
Unknown.
Russia (Eastern Siberia, Far East), Japan.
Unknown.
Head, mesosoma and Mt2–Mt4 metallic bluish-green with diffuse coppery lustre; Mt5–Mt8 brown; ovipositor sheath black. Antenna with scape yellowish-brown, pedicel and flagellum brown. Fore and hind coxae yellowish-brown, mid coxa yellow; all femora, tibiae and tarsi yellow except last segment yellowish-brown. Fore wing with light brownish tint, venation yellowish-brown.
Head in dorsal view 2.10–2.17× as broad as long and 1.25–1.30× as broad as mesoscutum; in frontal view 1.05–1.20× as broad as high.
Mesosoma 1.65–1.70× as long as broad. Scutellum weakly and finely reticulate, 1.00–1.05× as long as broad. Propodeum without nucha, 0.40–0.55× as long as scutellum; median carina present; sculpture smooth. Metapleuron alutaceous, upper mesepimeron with lower part alutaceous, upper part smooth. Fore wing 2.95–3.25× as long as maximum width; basal cell, cubital vein and basal vein setose; speculum closed;
Metasoma 8.50–9.00× as long as broad, 2.50–2.70× as long as mesosoma and 1.84–1.94× as long as mesosoma and head; Mt2 deeply emarginate medially, Mt8 4.40–5.25× as long as broad. Ovipositor sheath projecting beyond apex of metasoma.
The name of the species refers to its long gaster (metasoma); noun in apposition.
Finland (single West Palaearctic record of this species), Russia (Western Siberia, Far East).
Unknown.
Russia (Far East), Japan.
Unknown.
Croatia, Czech Republic, Finland (
Unknown.
England, Switzerland, Russia (
Unknown.
Greece.
Unknown.
Austria, Croatia, Finland (
Unknown.
France, Russia.
Unknown.
Russia (Far East), Japan.
Unknown.
Russia (Far East), South Korea, Japan.
Unknown.
Hungary.
Unknown.
Croatia, Czech Republic, Denmark, Finland, Germany, Hungary, Kazakhstan, Korea, South, Lithuania, Moldova, Netherlands, Romania, Russia, Slovakia, Spain, Sweden, United Kingdom (
Unknown.
Head, mesosoma and Mt2–Mt6 metallic bluish-green with diffuse coppery lustre, Mt8 brown; ovipositor sheath black. Antenna with scape yellow, pedicel yellowish-brown, flagellum brown. All coxae metallic green with diffuse coppery lustre; all femora, tibiae and tarsi yellow except last segment yellowish-brown. Fore wing hyaline with one fuscous cloud touching stigma, venation yellowish-brown.
Head in dorsal view 2.10–2.26× as broad as long and 1.16–1.19× as broad as mesoscutum; in frontal view 1.24–1.26× as broad as high.
Mesosoma 1.55–1.60× as long as broad. Scutellum finely reticulate, 1.18–1.20× as long as broad. Propodeum without nucha, 0.86–0.90× as long as scutellum; median carina present; sculpture weakly reticulate. Metapleuron reticulate, upper mesepimeron alutaceous. Fore wing 2.50–2.70× as long as maximum width; basal cell, cubital vein, basal vein setose; speculum closed;
Metasoma 4.30–4.40× as long as broad, 1.80–1.95× as long as mesosoma and 1.45–1.56× as long as mesosoma and head; Mt2 emarginate medially, Mt8 2.20–2.50× as long as broad. Ovipositor sheath projecting beyond apex of metasoma.
The species is named in honour of the prominent entomologist, Dr M.D. Zerova (1934–2021), an expert on
Finland, Russia (European part of Russia).
Unknown.
People’s Republic of China (Gansu), Russia (Far East) (
Primary parasitoid of
The present study considerably supplements our knowledge of the genus
The authors are very thankful to Frederique Bakker (
This work was supported by funding from the Ministry of the Environment of Finland (to the Finnish Expert Group on