Species Trirhabda eriodictyonis

Classification · Explanation of Names · Size · Range · Habitat · Food · Life Cycle · Remarks · See Also · Works Cited

Green beetle - Trirhabda eriodictyonis - female

Trirhabda on Eriodictyon near Cajon Pass - Trirhabda eriodictyonis - female

Trirhabda eriodictyonis from Chew's Ridge, Monterey County, CA - Trirhabda eriodictyonis

Trirhabda from Eriodictyon crassifolium - Trirhabda eriodictyonis - male - female

Trirhabda eriodictyonis from Santa Lucia Mountains - Trirhabda eriodictyonis - female

Trirhabda eriodictyonis? - Trirhabda eriodictyonis - female

Classification

Kingdom Animalia (Animals)

Phylum Arthropoda (Arthropods)

Subphylum Hexapoda (Hexapods)

Class Insecta (Insects)

Order Coleoptera (Beetles)

Suborder Polyphaga

No Taxon (Series Cucujiformia)

Superfamily Chrysomeloidea (Longhorn and Leaf Beetles)

Family Chrysomelidae (Leaf Beetles)

Subfamily Galerucinae (Skeletonizing Leaf Beetles and Flea Beetles)

Tribe Galerucini

No Taxon (Section Coelomerites)

Genus Trirhabda

Species eriodictyonis (Trirhabda eriodictyonis)

Explanation of Names

Trirhabda eriodictyonis Fall 1907

The epithet refers to the host plant, Eriodictyon

Size

5‒9 mm

Range

sw.US (CA‒UT‒AZ)(1)

Habitat

chaparral of mountains and canyons with Eriodictyon

Food

Larvae and adults feed on species of Eriodictyon (Boraginaceae)

Life Cycle

see Gould (2014)

Remarks

Other than T. eriodictyonis and T. diducta, only T. flavolimbata from coastal CA has been reported on Eriodictyon, considered an accidental occurrence

See Also

T. diducta is sister to T. eriodictyonis and the only congener feeding on Eriodictyon; it generally has larger pronotal spots; a wider occipital plaga; and significantly wider and darker lateral and sutural elytral vittae, plus a distinct dark streak in between. T. eriodictyonis is more southern than T. diducta, with some overlap in CA‒UT(1)

Works Cited

1.	Phylogeny and host plant association in the leaf beetle genus Trirhabda LeConte (Coleoptera: Chrysomelidae) Swigoňová Z., Kjer K.M. 2004. Mol. Phylog. Evol. 32: 358‒374.

Contributed by Hartmut Wisch on 12 May, 2010 - 3:47pm
Additional contributions by Mike Quinn, Aaron Schusteff, v belov
Last updated 13 February, 2024 - 8:12pm

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