Insect and Bug ID forum: Penstemonia clarkei

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Name: Leslieray Hurlburt
Sacramento California (Zone 9b)
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HamiltonSquare
Jul 3, 2015 12:50 PM CST
I think I've ID this correctly but I can't seem to find any info about it? I think by the name that Clark found it on a penstemon? Anyone know a source for this kind of info. I know its range but that's it. Have not seen it before. We have quite a few penstemons if thats what it's looking for but in this, not so good, photo its on a Buddleja.
Thumb of 2015-07-03/HamiltonSquare/89caa3
Thumb of 2015-07-03/HamiltonSquare/5e2667

Hamilton Square Garden, Historic City Cemetery, Sacramento California.
Name: Dirt
(Zone 5b)
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dirtdorphins
Jul 3, 2015 2:14 PM CST
http://bugguide.net/node/view/162796
it would seem there are a few others in the genus Penstemonia and I guess their larvae eat the roots?
Name: Janet Super Sleuth
Near Lincoln UK
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JRsbugs
Jul 3, 2015 2:38 PM CST
I can't find an exact match, but I found a pdf on the clearwing moths of California. There's a list on page 7 of which species of Penstemon are host to species of moth.

http://www.cdfa.ca.gov/plant/ppd/PDF/Occasional_Papers%20_27...
Name: Leslieray Hurlburt
Sacramento California (Zone 9b)
The WITWIT Badge Region: California Plant Lover: Loves 'em all! Xeriscape Native Plants and Wildflowers Salvias
Foliage Fan Lover of wildlife (Black bear badge) Birds Bee Lover Hummingbirder Butterflies
Image
HamiltonSquare
Jul 3, 2015 9:12 PM CST
Yes it was there on page seven. The host plant is Penstemon palmeri of which we've had one for two yearsm I tip my hat to you. now. I will check the base of the stems to see if I can find the exit holes. I never expexted they would be feeding off the roots. Thanks you both. The Occasional Papers PDF was fantastic.
Hamilton Square Garden, Historic City Cemetery, Sacramento California.
Name: Janet Super Sleuth
Near Lincoln UK
Charter ATP Member Organic Gardener Garden Photography Bee Lover Dragonflies Cat Lover
Butterflies Birds Plant Identifier I was one of the first 300 contributors to the plant database! Spiders!
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JRsbugs
Jul 4, 2015 4:01 AM CST
I tip my hat to you.

There's a key to California Penstemonia species (and others), the final determination of is on page 45, #3 (use find on this page, search for clarkei) which states:

Abdominal segment 6 dorsally banded yellow to nearly white


You can go backwards from that to #2

Anal tuft without elongate lateral portions




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