A.
The name of the tiger beetle in question is:
Festive Tiger Beetle (Cicindela scutellaris ssp. scutellaris)
(Click for a closer view)
A temperate zone tiger beetle
There are seven (7) distinctive populations recognized as scutellaris subspecies. At contact zones between most subspecies, considerable variation and inter-gradation can be evident.
Yes, our tiger beetle is dressed in his ‘festive’ best. He has a “smooth” and brightly metallic surface on the upper side. The dark green - blue head and thorax contrasts vividly with the intense reddish orange elytra.
This subspecies is the dominant form in the extreme western portions of the scutellaris species’ range, roughly west of the
The only species likely to be confused with scutellaris is the Splendid Tiger Beetle (Cicindela splendidas) which has a dull matte finish on the elytra and usually some short tan maculations (spots).
There is at
B.
Consider the follow photograph.
Is it a Festive Tiger Beetle (Cicindela scutellaris ssp. rugata) or a Six-spotted Tiger Beetle (Cicindela sexguttata) without any maculations. By the angle of the photo we can eliminate the Six-spotted Tiger Beetle since both sexes of the Six-spotted have a white or whitish labrum (face). Notice the female in this photograph has a black labrum. So again, either several photographs are necessary or the right angle of viewing, as in this case, helps.
Cicindela sp. (possibly C. scutellaris rugata)
C.
Following is a photograph of one of the most common tiger beetles encountered on the trail by hikers. They are bright green with four to six maculations (sometimes they have just two or even no maculations). Range is an important factor when making identifications or comparing with other plain green tiger beetles.
Six-spotted Tiger Beetle (Cicindela sexguttata)
Sharp-eyed "Fishing Guy" over at "This is my blog" (Click here) noticed that the Six-spotted Tiger Beetle has eight spots. Mid-line maculations, if enlarged, which they are in this case, may sometimes have additional very small spots.
Currently, 10 subspecies of the Six-spotted Tiger Beetle have been proposed, but current taxonomic analysis reveals that none are consistently different enough from one population to the next to list as separate subspecies. Maybe with more study or future thinking, this will be changed.
There are currently 119 species of tiger beetle in
After 50+ years as a birder, and many years photographing butterflies, looking at dragonflies, observing insects, being involved with spiders, and studying nature in general, I have decided it’s
At the recommendation of
I would be glad to consider expert tes
All were photographed in varying habitats near Ft. worth, TX.
13 comments:
Hi Troy....
Finally able to hold onto a decent connection in order to comment on your blog....arrrgh.
your blog is always an educational experience mixed with some nice photos...great work!!
There is a reason why I provided a link to your blog...
Scotty
I love being dumb and happy :) I have you and Martha to teach me beetle lore, all I want to know about tiger Beetles I have learned from you, thanks! :)
great macro and infos
Hi Troy-
Very nice post. I've been out with a few birders who have made tiger beetles there next challenge as well. Perhpas the most interesting one that I've seen is a beach dwelling species that in Ohio, only occurs on the beaches of Lake Erie. It is brownish. I need to look up the name....BRB.
Cicindela hirticollis
Thanks for sharing your tiger beetle pics and information!
Tom
What is this, beetle sex photo week? First Jane then you. :) Great shots.
Troy: Well captured, those beetles have a lot of color. I counted 8 spots on the 6 spotted beetle.
Great shots and info! They are pretty bugs.
Regardless of taxonomy, the beetles in Photo B look a bit more festive than the one in Photo A. :-)
Excellent post (as usual). I enjoyed the information and great photos. Tiger beetles are interesting insects.
What a magnificent capture, and such a dramatic sky. Karen
I agree with your ID of C. scutellaris rugata. There is a fair bit of variability in the maculation of C. sexguttata. Great post and some really nice shots. Also, I'm jealous. Our subspecies of scutellaris isn't nearly as pretty as yours. I'm glad you are enjoying the field guide.
what a great blog--so many wonderful photos!
Hi Troy,
I also agree with your taxonomic assessments - nice pictures!
Great info, and thanks for visiting my site. I've got a few more tiger beetle posts in the works that will start appearing soon.
Ted
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