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View Thread :: Identification queries :: Diptera (adults)
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Tachinidae for I.D. (Hong Kong)
Clive Lau
#1 Print Post
Posted on 26-02-2024 06:54

Location: Hong Kong
Posts: 652
Joined: 27.03.07

Is it possible to tell the species of this Exorista?
Clive Lau attached the following image:

Clive Lau
#2 Print Post
Posted on 26-02-2024 06:54

Location: Hong Kong
Posts: 652
Joined: 27.03.07

Head & wing
Clive Lau attached the following image:

#3 Print Post
Posted on 26-02-2024 18:31

Location: Soest, NL
Posts: 18506
Joined: 21.07.04

the eye is hairy and the reclinate orbital is rather strong, so I am thinking Phorinia.

John Carr
#4 Print Post
Posted on 26-02-2024 20:20
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Location: Massachusetts, USA
Posts: 9827
Joined: 22.10.10

According to Tachi and Shima (2006), Phorinia "is characterised by the following combination of characters in the tribe Exoristini: facial ridge with strong setae; occiput without rows of black setae behind postocular setae; R4+5 setulose dorsally from base nearly to crossvein r-m; apical scutellar setae erect."
Clive Lau
#5 Print Post
Posted on 27-02-2024 03:14

Location: Hong Kong
Posts: 652
Joined: 27.03.07

It is collected as a pupal parasite of Perina nuda (Erebidae: Lymantriinae)
#6 Print Post
Posted on 01-03-2024 09:33

Location: Soest, NL
Posts: 18506
Joined: 21.07.04

@ John: you are totally correct, so it is one of the hairy-eyed Exorista species.

Based on the photos and the host, it is very likely / almost certainly Exorista sorbillans.

Clive Lau
#7 Print Post
Posted on 04-03-2024 01:34

Location: Hong Kong
Posts: 652
Joined: 27.03.07

Thank you Theo and John.
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