Opius sp. nov. aff. exiguus Wesmæl 1835 ♀ (Hymenoptera Braconidæ Opiinæ Opiini)

20221030151015ZW7N41.8908E13.3162G9.1E2H0

Illustration for a comparative ecophylogenetic analysis of local myrmecofaunas, based on r/K selection theory and intra / interspecific parabiosis / lestobiosis, particularly focused on allochthonous and invasive species.

[Opius Wesmæl 1835: 33 (IT: 18) sgg, 1,202 (IT: 84) spp]

Cfr. notes¹ over the above image.

Opius is the largest genus in Opiinæ (39 gg, 2,061 spp), recognized primarily by asymmetrical (excluding ventrobasal carina) more or less abruptly widened mandibles. Solitary koinobiont ovilarval endoparasitoid of Agromyzidæ, Anthomyiidæ, Drosophilidæ, Tephritidæ, Ephydridæ, Cecidomyiidæ; emergence of imago from host puparium. This specimen belongs to the plausibly nonmonophyletic taxon Phædrotoma, often treated as Opius sg or as distinct genus, without widened mandible base. After several hours using different keys it couldn't be identified up to sp level; it is likely a species nova to be described in upcoming revisions. Even in M. Fischer NHMW collection, 3 different spp may be present under 1 common sp; selected references give an impression about direction to revise this genus. Opius exiguus is very common but also a waste bin taxon to some degree. Compared to this specimen, it has different mesosoma (pronope, no medioposterior mesoscutal depression), leg colour, shape of venation and 1st tergite.

NOTES

1. TBL 2.2 mm.

REFERENCES

J.M. Jasso-Martínez & al. 2022: Braconidæ phylogenomics.
E.G.F. Regina 2022: Opius IT taxonomic revision.
B.J. Sharanowski & al. 2020: Ichneumonoidea phylogenomics.
X. Chen & C. Van Achterberg 2018: Braconidæ phylogeny.
D.L.J. Quicke 2015: Braconidæ & Ichneumonidæ.
M.R. Shaw & T. Huddleston 1991: Braconidæ.

Taken in: Italy / Latium / Filettino / Filettino (show map)

Taken on: October 30, 2022

Tags:

Animalia

Insecta

Hexapoda

Dicondylia

Hymenoptera

Braconidae

Opius

Opiinae

Opiini

Ichneumonoidea

wasp

koinobiont

ovilarval

endoparasitoid

sp. aff. = species affinis

sp. nov. = species nova

new species

taxonomy

pronope = mediodorsal pronotal depression

🏆

✓

subgenus Phaedrotoma

20221030151015ZW7N41.8908E13.3162G9.1E2H0

First Local Verified Observation Record

taxonomic revision

checklist

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Camera: Olympus TG-6, f/6.3, 1/1000 sec, 15.7mm, ISO 100 (more info) (hide info)

Camera:	Olympus TG-6
Aperture:	f/6.3
Exposure Time:	0.001 sec (1/1000)
Focal Length:	15.7mm
ISO:	100
Exposure Bias:	0 EV
Flash:	Off, Did not fire
Exposure Program:	Creative (Slow speed)
Exposure Mode:	Auto
Metering Mode:	Multi-segment
White Balance:	Auto
Color Space:	sRGB
Software:	Shotwell 0.30.10
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