Diptera.info :: Identification queries :: Diptera (adults)
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 Possible diopsid
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| ChrisR |
Posted on 30-05-2007 00:27
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 Administrator Location: Reading, England Posts: 7699 Joined: 12.07.04 |
Caught in a malaise trap in Western Malaysia in 1999/2000 - size about 6-8mm. I guessed diopsid but Theo suggested I ask here in case John can suggest another group 
ChrisR attached the following image:  [86.17Kb] Edited by ChrisR on 30-05-2007 00:28 |
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| ChrisR |
Posted on 30-05-2007 00:27
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Administrator Location: Reading, England Posts: 7699 Joined: 12.07.04 |
lateral view...
ChrisR attached the following image:  [98.25Kb] |
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| Paul Beuk |
Posted on 30-05-2007 05:55
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 Super Administrator Location: Netherlands Posts: 19375 Joined: 11.05.04 |
With the antennae placed close to the tips of the stalks you have got Diopsidae.
Paul - - - - Paul Beuk on https://diptera.info |
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| ChrisR |
Posted on 30-05-2007 09:09
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Administrator Location: Reading, England Posts: 7699 Joined: 12.07.04 |
Thanks  ) Are there any keys to oriental Diopsidae? |
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| Paul Beuk |
Posted on 30-05-2007 09:32
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Super Administrator Location: Netherlands Posts: 19375 Joined: 11.05.04 |
Key to the world genera is included in: Feijen, H.R., 1989. Diopsidae - Flies of the Nearctic Region 9(12): 1-122. You may get some more info from others of Feijen's papers, that will probably are listed in the 1989 one. Paul - - - - Paul Beuk on https://diptera.info |
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| ChrisR |
Posted on 30-05-2007 09:46
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Administrator Location: Reading, England Posts: 7699 Joined: 12.07.04 |
Great, thanks Paul |
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| fleabag |
Posted on 30-05-2007 13:07
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 Member Location: Sussex UK Posts: 183 Joined: 13.07.06 |
im guessing those are its eyes at the end of the storks? ..what an amazing creature |
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| ChrisR |
Posted on 30-05-2007 13:12
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Administrator Location: Reading, England Posts: 7699 Joined: 12.07.04 |
Yes, the compound eye is the grey area at the end of each stalk They are rather fun ... I remember sifting through gallons of pickled insects and it made it all worthwhile when I found things like this or the Celyphid "beetle-fly"  Sadly, you don't get many of them per gallon!  |
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| proctoss |
Posted on 30-05-2007 14:24
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 Member Location: Moscow, Russia Posts: 191 Joined: 12.08.06 |
Australasian/Oceanian Diptera Catalog 60. Family DIOPSIDAE By Neal L. Evenhuis Diopsids, commonly known as stalkeyed flies, are generally distributed throughout the Old World tropics, with 1 species found in North America. Adults are easily identified by their characteristic eye stalks, which are found in all taxa, although the stalk lengths vary considerably. The subfamily Centrioncinae, an Afrotropical group consisting of taxa without eye stalks, has recently been given family status (Feijen 1983). The family is largely African and Madagascan in origin, but considerable speciation has evidently taken place in the predominantly Oriental Teleopsis. Little is known of their biology. Larvae of some African species have been recorded as shoot borers of rice (Descamps 1957, Morgan & Abu 1973, Scheibelreiter 1974, Feijen 1979). Refs.: Shillito (1960, 1976, bibliogr.), Tan (1967, Cyrtodiopsis immat. biol.), Steyskal (1972a, world cat., key), Ferrar (1987, immat.), Peterson (1987, rev. Nearctic spp.). Subfamily DIOPSINAE Genus CYRTODIOPSIS Frey CYRTODIOPSIS Frey, 1928a: 70. Type species: Diopsis dalmanni Wiedemann, 1830, orig. des. dalmanni Wiedemann, 1830a: 560 (Diopsis). Indonesia (Java); Indonesia (Maluku); widesp. SE Asia. Genus EURYDIOPSIS Frey EURYDIOPSIS Frey, 1928a: 70. Type species: Diopsis subnotata Westwood, 1847, orig des. subnotata Westwood, 1847: 37 (Diopsis). Philippines; Indonesia (Irian Jaya); Indonesia (Sulawesi), Laos, Malaysia (Pen), Philippines, Thailand, Vietnam. argentifera Bigot, 1874c: 112 (Diopsis). Indonesia (Sulawesi). Genus TELEOPSIS Rondani TELEOPSIS Rondani, 1875: 442. Type species: Diopsis sykesii Westwood, 1837, orig des. Undetermined sp.--Indonesia (Irian Jaya). Subfamily SPHYRACEPHALINAE Genus PSEUDODIOPSIS Hendel PSEUDODIOPSIS Hendel, 1917: 33. Type species: Sphyracephala cothurnata Bigot, 1874 [= Diopsis detrahens Walker, 1860], orig des. detrahens Walker, 1860a: 161 (Diopsis). Indonesia (Sulawesi); Indonesia (Irian Jaya), PNG (Bismarck Arch, Bougainville I, PNG), Solomon Is; China (Hainan I), Hong Kong, Laos, Malaysia, Ryukyus, Taiwan, Thailand. cothurnata Bigot, 1874b: 25 [1874d: xxii] (Diopsis). Nomen nudum. cothurnata Bigot, 1874c: 115 (Sphyracephala). Indonesia (Sulawesi). http://hbs.bishopmuseum.org/aocat/diopsidae.html http://hbs.bishopmuseum.org/aocat/aocathome.html |
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