Chelonus (Parachelonus), Tobias, 1995
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publication ID |
https://doi.org/ 10.11646/zootaxa.5412.1.1 |
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publication LSID |
lsid:zoobank.org:pub:DB6DD20F-6EB7-4152-AC80-2F67EE06684B |
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DOI |
https://doi.org/10.5281/zenodo.10729341 |
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persistent identifier |
https://treatment.plazi.org/id/2B5587AD-F06D-731A-FF39-6CE5FA4EBCD9 |
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treatment provided by |
Plazi |
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scientific name |
Chelonus (Parachelonus) |
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Subgenus Parachelonus Tobias, 1995
Diagnosis. Body large-sized, at least 5.0 mm; head transverse; antennomeres of both sexes more than 20, rarely less; eye densely setose; frons and vertex striate-rugose; face flat, transverse to irregular punctate-rugose; clypeus often finely punctate, shiny; mesoscutum and scutellum evenly convex, punctate to alveolate-rugose; propodeum coarsely rugose; vein 1-SR+M of fore wing absent; hind coxa, femur and apex of tibia comparatively robust; metasomal carapace of male with deep apical opening, carapace apically usually rounded in dorsal view, rarely narrowed posteriorly.
Biology. Parasitoids of Sesiidae and Tortricidae ( Yu et al. 2016) .
Distribution. Palaearctic and Oriental regions ( Yu et al. 2016).
Key to species of subgenus Parachelonus Tobias, 1995
1 Mesosoma reddish yellow ( Figs 90B, 90C View FIGURE 90 , 98B, 98C View FIGURE 98 ); [apical aperture of male carapace large, about 2.5 × wider than high ( Figs 92F View FIGURE 92 , 100F View FIGURE 100 ), its middle process of apical aperture moderately wide in lateral view ( Figs 92D View FIGURE 92 , 100D View FIGURE 100 )]............... 2
- Mesosoma black ( Figs 94B, 94C View FIGURE 94 )........................................................................ 3
2 Temples distinctly widened behind eyes in dorsal view ( Fig. 92H View FIGURE 92 ); body length 7.7–8.3 mm ( Figs 89 View FIGURE 89 , 91 View FIGURE 91 ); apex of metasomal carapace strongly incurved ventrally ( Figs 90D View FIGURE 90 , 92D View FIGURE 92 )................. C. (P.) compressor ( Chen & Ji, 2003) View in CoL comb. nov.
- Temples narrowed behind eyes in dorsal view ( Figs 98G View FIGURE 98 , 100H View FIGURE 100 ); body length 4.0– 5.5 mm ( Figs 97 View FIGURE 97 , 99 View FIGURE 99 ); apex of metasomal carapace hardly incurved ventrally in female ( Fig. 98D View FIGURE 98 ) and moderately so in male ( Fig. 100D View FIGURE 100 )...................................................................................... C. (P.) polycolor ( Chen & Ji, 2003) View in CoL comb. nov.
3 Females ............................................................................................. 4
- Males.............................................................................................. 9
4 Body length 7.9–8.5 mm; [vein 1-R1 of fore wing as long as pterostigma; lateral teeth of propodeum distinctly developed; antennomeres of female 41].................................... C. (P.) macrocorpus ( Ji & Chen, 2003) View in CoL comb. nov.
- Body length 4.8–5.3 mm ( Fig. 93 View FIGURE 93 )........................................................................ 5
5 Temples rectilinearly narrowed behind eyes in dorsal view; face about 1.5 × wider than high.................................................................................................... C. (P.) gravenhorstii ( Nees, 1816) View in CoL
- Temple parallel-sided or slightly widened behind eyes; face more than 1.5 × wider than high ( Fig. 94G View FIGURE 94 )................ 6
6 Legs dark brown or black ( Fig. 93 View FIGURE 93 )....................................................................... 7
- Legs pale or yellowish brown............................................................................ 8
7 Temples widened behind eyes in dorsal view; vein 1-R1 of fore wing as long as pterostigma; antennomeres of female 22................................................................................ C. (P.) pellucens ( Nees, 1816) View in CoL
- Temples parallel-sided behind eyes in dorsal view ( Fig. 94G View FIGURE 94 ); vein 1-R1 of fore wing shorter than pterostigma ( Fig. 94A View FIGURE 94 ); antennomeres of female 27 ( Fig. 94H View FIGURE 94 )................................................... C. (P.) hirsutus sp. nov.
8 Face 2.2 × wider than high; vein 1-R1 of fore wing shorter than pterostigma; antennomeres of female 20–22........................................................................................... C. (P.) starki (Telenga, 1953) View in CoL
- Face 1.6 × wider than high; vein 1-R1 of fore wing as long as pterostigma; antennomeres of female18........................................................................................... C. (P.) xanthofossa ( Tobias, 2000) View in CoL
9 Mesopleuron entirely densely setose ( Fig. 96B View FIGURE 96 ); [apical aperture in posterior view occupying about 0.5 × metasomal width ( Fig. 96F View FIGURE 96 ); antennomeres of male 30 ( Fig. 96I View FIGURE 96 )]............................................... C. (P.) hirsutus sp. nov.
- Mesopleuron only setose below......................................................................... 10
10 Apical aperture in posterior view elongate, slit-shaped (width: height ratio> 3.5 ×)................................ 11
- Apical aperture in posterior view oval or round (width: height ratio <3.5 ×)...................................... 12
11 Length of 3 rd and penultimate antennomeres 3.7–3.8 × and 1.7–1.8 × its width, respectively; lateral teeth of propodeum strong and comparatively large.......................................................... C. (P.) starki (Telenga, 1953) View in CoL
- Length of 3 rd and penultimate antennomeres 3.3 × and 1.3–1.5 × its width, respectively; lateral teeth of propodeum weak and small........................................................................ C. (P.) pellucens ( Nees, 1816) View in CoL
12 Legs yellowish brown; [antennomeres of male 23–24; metasomal carapace in dorsal view gradually widened]..................................................................................... C. (P.) xanthofossa ( Tobias, 2000) View in CoL
- Legs dark brown or black.............................................................................. 13
13 Temples rectilinearly narrowed behind eyes in dorsal view; carapace entirely black....... C. (P.) gravenhorstii ( Nees, 1816) View in CoL
- Temple parallel-sided or slightly widened behind eyes; base of metasomal carapace with a yellow band or a pair of yellowish lateral spots......................................................................................... 14
14 Vein 1-R1 of fore wing as long as pterostigma; base of metasomal carapace with a pair of yellowish lateral spots; temples slightly narrowed behind eyes in dorsal view.......................................... C. (P.) ovalis (Tobias, 1984) View in CoL
- Vein 1-R1 of fore wing shorter than pterostigma; base of metasomal carapace with a yellow band; temples widened behind eyes in dorsal view............................................................ C. (P.) magnipunctus (Tobias, 1984) View in CoL
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