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Aritranis director (Thunberg 1822) ♀ (cf.) - Ichneumonidae Cryptinae Cryptini Agrothereutina
http://www.entomologiitaliani.net/public/forum/phpbb3/viewtopic.php?f=104&t=82293
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Autore:  D & JP Balmer [ 02/10/2018, 10:49 ]
Oggetto del messaggio:  Aritranis director (Thunberg 1822) ♀ (cf.) - Ichneumonidae Cryptinae Cryptini Agrothereutina

Capture in our house in Cne Donzy (France - dépt. Nièvre) on 15 VII 2010

Det. JP Balmer
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Biblio (main) :
- Rossem (Van) 1969 - A revision of the Genus Cryptus ... Cryptina ... ,
- Schmiedeknecht 1906/1908 : in "Opuscula Entomologica" - Part 7 - p.530/558
..... on the Net (see with http://www.biodiversitylibrary.org)
- Thunberg 1822 , in "Mémoires de l'Academie Imperiale des Sciences de Saint Petersbourg" - p.249/281
    [This document seems to have disappeared from the Net]
- Townes 1969 : "The Genera of Ichneumonidae" - Part 1 & 2
======
Cryptinae = Gelinae in Townes
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* You use the keys that we sent on our Forum, entitled :
    ... Adaptation for the ♂ & ♀ (of France & Italy) of the subFamilies's Key contained in "The Genera of Ichneumonidae" of H. Townes ...
You find the sub-Family Cryptinae

* You use the keys that we sent on our Forum :
      [Given the Forewing's Lenght the key should not be used, but here it is still usable]
    On our capture, the base of Tergite 1 does not has a lateral triangular Tooth
    [About the key to the Genera of Agrothereutina for Townes - Part 2 :
    An important criterion is the ratio Lg. Ovipositor/Lg. Tibia 3, the ratios of 2 genera are given, but for the 3rd the Lg. of Ovipositor is compared with the Lg. of Forewing !]
You find the Genus Aritranis
    [Progress in the key , Couplets :
    1 -> 13 -> 19 (dg not >> gk) -> 25 (see photo) -> 28 (N not <<1/2) -> 30 (see photo) -> 31]

* Détermination of sp. :
- We cannot trust the synonymy which we find at various Authors (they are not identical)
- The descriptions of various Authors are also various ...
- The Genus Aritranis belongs to several Genera in the keys of Schmiedeknecht, and their species are with difficulty comparable
- The description of A. director Thunberg 1822, can relate in of numerous Ichneumonidae
    It is even doubtful as Entomologists have examined the Typus (in 19th century, Russia was far - in 20th century, the collection was maybe already lost)
I wonder if this species is not rather a medley of species which we do not know how to place somewhere else ?

Of where the determination of A. cf. director ...
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A. (cf. ?) director was captured in almost all Europe (whose Italy)

Allegati:
n° 4834 F - Forum.jpg


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