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Home » Guide » Arthropods (Arthropoda) » Insects (Insecta) » Butterflies and Moths (Lepidoptera) » Butterflies (Papilionoidea) » Gossamer Winged Butterflies (Lycaenidae) » Hairstreaks (Theclinae) » Callophrys » Bramble Hairstreak (Callophrys dumetorum)
Photo#99031
Callophrys dumetorum - female
Copyright © 2007 Hartmut Wisch

Callophrys dumetorum - Female
Point Mugu State Park, Ventura County, California, USA
March 21, 2007
Female ovipositing on Lotus scoparius (Deerweed), in stabilized dunes at edge of coastal chaparral.

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Callophrys dumetorum - female Callophrys dumetorum - female
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Contributed by Hartmut Wisch on 22 March, 2007 - 12:37am

Very nice!
Do you know what the white spot is, near the center of the hind wing? It seems like a protrusion rather than scales, and I've noticed it on many but not all. Also, I've heard some species sun themselves by keeping wings closed and tipping to reflect sunlight. I suspect these do and wonder if you've observed that behavior. (I think I've seen it, but it may just be that deerweed is a tippy platform.)
… Ron Hemberger, 22 March, 2007 - 11:00am login or register to post comments

 
I posted this female to show variation
in this locale (see another post without spots on HW: 1 ). Some may have only one spot, others many. According to Fred Heath (personal communication), this is the expected variation in the Bramble Hairstreak. Fred reported recently seeing Brambles with 4 white median line spots to no spots at Anza Borrego State Park.
I don't know exactly what these spots are. Enlarged images show no scales where the white spots are. Perhaps they are similar to the hyaline spots in butterflies such as Erynnis?
Sunning? I don't know anything about this. My guess is that when an insect moves around on a plant, the angle changes vis à vis the stationary observer. I haven't seen them lingering in a 'tipped' position, except for extracting nectar or ovipositing - oh, and mating.
… Hartmut Wisch, 22 March, 2007 - 12:18pm login or register to post comments

 
Just finished posting one to show color variation.
I'll try to find the sunning reference, which doesn't completely make sense to me.
… Ron Hemberger, 22 March, 2007 - 10:19pm login or register to post comments

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