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Cidaphus alarius (Gravenhorst 1829) ♂ - Ichneumonidae - Mesochorinae
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Autore:  D & JP Balmer [ 21/01/2012, 19:06 ]
Oggetto del messaggio:  Cidaphus alarius (Gravenhorst 1829) ♂ - Ichneumonidae - Mesochorinae
Biblio.
Broad G. - Identification key to the subfamilies of Ichneumonidae
Horstmann K. - in "Revisionen von Schlupfwespen-Arten VI" - p.81/82 (Mitteilungen der Münchner Entomologischen Gesellschaft - 92 - 2002)
---
Ciao,

# 3874 ♂ captured in Cne : St-Germer-de-Fly (Dépt. Oise - France) - 16.05.2005
    To 2.20 m. of the ground on a "Tilia of Virginie".
- At first I thought that it was about Cryptinae, but impossible to specify because I met contradictions, I thus used the keys of Broad.
- I identified this capture as being a Cidaphus, with doubt because according to Townes :
    Our Ichneumon seemed a little small and its abdomen was not compressed laterally.
- On the Forum of C. Thirion, P.N. Libert confirmed that it was well a Mesochorinae.
- I thus used descriptions of Horstmann.
    It is well a Cidaphus alarius (Gravenhorst 1829) ♂ because :
    - Its clypeus and its cheeks are not red (if not : C. atricillius).
      See the 2 photos of the face (that of right-hand side is reddened, because I used a lighting with cold light).
    - Its parameres are not pointed (if not : C. areolatus) (See photo).
    - The face has 2 sub-lateral furrows (badly visible on the photos). (areolatus & atricillius, does not have such furrows).

Cidaphus includes 3 species (those referred to above), only C. alarius lives in Italy.

Saluti.
D & JP Balmer

Allegati:
n° 3874 Cidaphus alarius M - 2 faces + paramères - Forum.jpg
n° 3874 Cidaphus alarius M - Lg. 13.5 - Forum.jpg
Autore:  Eopteryx [ 21/01/2012, 21:43 ]
Oggetto del messaggio:  Re: Cidaphus alarius (Gravenhorst 1829) ♂ - Ichneumonidae - Mesochorinae
Males of Mesochorinae are quite easy to distinguish because of their parameres. You did well to use Horstmann key for Cidaphus; there's some taxonomic problem with Schwenke key.

Only a thing:

"only C. alarius lives in Italy" --> only C.alarius is known for Italy ! ;)

:hi: Filippo
Autore:  D & JP Balmer [ 22/01/2012, 11:02 ]
Oggetto del messaggio:  Re: Cidaphus alarius (Gravenhorst 1829) ♂ - Ichneumonidae - Mesochorinae
Eopteryx ha scritto:
Only a thing:
"only C. alarius lives in Italy" --> only C.alarius is known for Italy ! Filippo
Ciao,

Thanks for your Message.
"lives" for "know" :
    I often read: "vivre" or "vole" in the French Authors, instead of "connu" !
PS: C. Thirion has validated to day my identification

Saluti.
D & JP Balmer
Autore:  D & JP Balmer [ 22/01/2012, 13:56 ]
Oggetto del messaggio:  Re: Cidaphus alarius (Gravenhorst 1829) ♂ - Ichneumonidae - Mesochorinae
ERRATUM makes :

In my original message, 3rd line before the end :
    areolatus NOT alarius ! ! !
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