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Mystery Insect from Thailand: Beetle, Moth, Caddisfly or other????? Solved: A Fairy Moth

Funny Looking Bug or Beetle?
Location:  n.e. thailand
August 27, 2010 10:36 pm
this wonderful character was found in n.e. thailand. looks like 17th century french noble going to ball. im guessing it maybe a net wing beetle Lycidae if not that then im hoping if some recognizes this insect to help me ID it. the feathery antenna seem iridescent and the legs have feathered boots. THANK YOU, GARY HEIDEN
gary heiden

thai mystery gary 218x300 Mystery Insect from Thailand:  Beetle, Moth, Caddisfly or other?????  Solved:  A Fairy Moth

Mystery Insect from Thailand

Hi Gary,
Our first thought is that this must be a Moth, though your photos do not really show the mouthparts well enough to be able to say for certain.  Fairy Moths in the family Adelidae (see BugGuide) often have weirdly exaggerated antennae.  We cannot really find a match on the Thai Microlepidoptera page.  Netwing Beetles mimic moths, and another possibility might be a Caddisfly or even a Hemipteran.  We hope one of our readers can supply an identification.  This Thai Bugs website seems like a good place to start, though we had no luck.

thai mystery gary 2 300x226 Mystery Insect from Thailand:  Beetle, Moth, Caddisfly or other?????  Solved:  A Fairy Moth

Mystery Insect from Thailand is Fairy Moth

hi daniel,  thank you for the tip.   now that you mention it it does look like it could be very fancy moth.   I think I have seen those feathery legs on moths.   I will go thru the moths before I rule them out.   when I track it down I will send it in w proper ID.

Thanks Gary,
It would be awesome if you let us know in the event that you manage to identify this critter.  You might also want to provide a comment on the posting of your letter, because six months from now, someone might write in to us with an identification and then you will also be notified.

Update from Karl
September 8, 2010
Mystery Insect from Thailand
Hi Daniel and Gary:
I think your first hunch was the best, Daniel. The metallic sheen and position of the wings, and overall first impression do suggest a Fairy Moth in the family Adelidae. Those antennae are quite amazing and very similar looking ones appear in several species of the Old World genus Nemophora (compare to N. issikii and N. aurifera, for example). Although I couldn’t find any images that looked the same as this one, I did find an intriguing description in a report abstract titled “Nemophora maxine: a remarkable new species of Oriental fairy-moth (Lepidoptera, Adelidae)” by Kozlov and Gaden (1996; Malayan Nature Journal; v. 50(1) p. 21-25). Describing two specimens from Thailand and Brunei they state: “The species is distinctive, with plain, coppery-brown forewings; it is the only Old World tropical adelid with uniformly coloured forewings. The female antenna is remarkable, the proximal region resembling a bottle-brush, with whorls of erect scales.” Obviously I can’t make a definitive identification for this one, but I have a feeling this might be it. This may be a rare find, or at least a rare photo – microlepidoptera often go unnoticed. If you are really curious, Gary, you can download the report (for a fee) or try contacting the authors for a confirmation. Regards.  Karl

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Fairy Moth

Moth? Butterfly? Fly?
April 19, 2010
Hey WTB,
I have an orchard in a rural part of Northern California. This weekend there were probably a hundred of these small black and white butterflies or moths darting around. They have insanely long antenna which seems to make it difficult for them to fly. Can anyone tell me what they are?
Kevin
Near Willits, CA

fairy moth kevin 300x213 Fairy Moth

Fairy Moth

Hi Kevin,
This is a Fairy Moth, probably Adela trigrapha, which may be viewed on BugGuide.

Fairy Moth

Fly-Moth-Butterfly from Sunol
September 3, 2009
I photographed this insect in April of 2009 in the Maguire Peaks area of Sunol Regional Wilderness, near Sunol, California.
The wings make me think moth, but the antennae, butterfly, and the head, fly.
Sengkelat
Sunol, California

fairy moth 300x193 Fairy Moth

Fairy Moth

Dear Sengkelat,
This is a Fairy Moth in the genus Adela.  It bears a strong resemblance to Adela trigrapha as pictured on BugGuide.  The species is reported from California and Oregon and the flight time is April.