Diptera.info :: Identification queries :: Diptera (adults)
 Lonchaea spec.--> patens
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| Lavendel |
Posted on 11-01-2026 10:40
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 Member Location: The Netherlands Posts: 346 Joined: 10.11.07 |
Hi, An other Lonchaea from the Netherlands, dunes ferest april 19the 2025 Following the key: Eyes bare 9 Anterior genal setae: forming a single row along mouth margin (Fig. H) 18 Legs; Tarsomeres partly pale or brownish 31 Palps; of normal size 32 Calypteres; fringes brown to black 52 Scutellum; at least several setulae located on disc 53 Proepimeron: with more than 1 setula 54 Proepimeron; with usually at most 6 setulae But then... 55 a. Proepimeron; with ~6 setulae--> yes Scutellum; usually no setulae on margin anterior to lateral setae -->no b. Proepimeron; with usually only 2-3 setulae. --> no Scutellum; Setulae present on margin anterior to lateral setae --> yes Lavendel attached the following image:  [161.48Kb] Edited by Lavendel on 01-04-2026 04:14 Kind regards, Sandra |
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| Lavendel |
Posted on 11-01-2026 10:42
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Member Location: The Netherlands Posts: 346 Joined: 10.11.07 |
scutellum
Lavendel attached the following image:  [180.86Kb] Kind regards, Sandra |
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| Lavendel |
Posted on 11-01-2026 10:43
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Member Location: The Netherlands Posts: 346 Joined: 10.11.07 |
Proepimeron; with ~6 setulae
Lavendel attached the following image:  [189.48Kb] Kind regards, Sandra |
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| Lavendel |
Posted on 11-01-2026 10:44
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Member Location: The Netherlands Posts: 346 Joined: 10.11.07 |
additonal and bigger pictures can be found here: https://waarneming.nl/observation/382859904/
Kind regards, Sandra |
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| Lavendel |
Posted on 17-01-2026 13:49
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Member Location: The Netherlands Posts: 346 Joined: 10.11.07 |
The whole specimen
Lavendel attached the following image:  [190.93Kb] Kind regards, Sandra |
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| Iain MacGowan |
Posted on 18-01-2026 20:05
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 Member Location: Perth, Scotland Posts: 470 Joined: 25.11.04 |
Can you please check again if the anterior genal setulae are multiserial From the photo it looks like they may be lain Iain MacGowan |
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| Lavendel |
Posted on 29-03-2026 08:01
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Member Location: The Netherlands Posts: 346 Joined: 10.11.07 |
Many Thanks Iain, Took an other look: 9. Anterior genal setae: in multiple rows 10 Proepimeron: with a few well-developed setae / setulae (Fig. J) ……… (patens species-group) .. 15 15 Legs; Tarsomeres obviously yellow/ orange. Male terminalia: not as above 16 Scutellum; setulae present on margin anterior to lateral setae (Fig. D) 17 Proepimeron; with up to 7 setulae. Legs; basal and t2 yellow. basal tarsomere of fore tarsi with ventral fringe of setulae golden. Anterior genal setae; obviously multiserial. Orbital plate; with several setulae Male terminalia; Cercus; almost as large as epandrium. Phallus; distiphallus almost straight (Fig. 15). . . patens Kind regards, Sandra |
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