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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Butterflies and Moths (Lepidoptera) » Flannel, Slug Caterpillar, Leaf Skeletonizer Moths and kin (Zygaenoidea) » Slug Caterpillar Moths (Limacodidae) » Isochaetes » Beutenmueller's Slug Moth - Hodges#4675 (Isochaetes beutenmuelleri)

Species Isochaetes beutenmuelleri - Beutenmueller's Slug Moth - Hodges#4675

Beutenmueller's Slug Moth - Hodges#4675 - Isochaetes beutenmuelleri

Isochaetes beutenmuelleri - Beutenmueller's Slug Moth - Hodges#4675 - Isochaetes beutenmuelleri

TX - Spun Glass Slug - Isochaetes - Isochaetes beutenmuelleri

Beutenmueller's Slug Moth - Hodges #4675 - Isochaetes beutenmuelleri - female

caterpillar? - Isochaetes beutenmuelleri

Orange Hairy Moth - Isochaetes beutenmuelleri

Hodges #4675 - Beutenmueller's Slug Moth - Isochaetes beutenmuelleri

Show images of: caterpillars · adults · both

Classification

Kingdom Animalia (Animals)

Phylum Arthropoda (Arthropods)

Subphylum Hexapoda (Hexapods)

Class Insecta (Insects)

Order Lepidoptera (Butterflies and Moths)

Superfamily Zygaenoidea (Flannel, Slug Caterpillar, Leaf Skeletonizer Moths and kin)

Family Limacodidae (Slug Caterpillar Moths)

Genus Isochaetes

Species beutenmuelleri (Beutenmueller's Slug Moth - Hodges#4675)

Hodges Number

4675

Other Common Names

Spun Glass Slug Moth

Numbers

Uncommon (1)

Size

19-24mm wingspan (1)

Identification

Adult: FW yellowish with vague orangish brown lines and shading; sharpest marking a circular brown spot at midpoint between PM and ST shades. Female larger than male; the spot thicker and blackish.

Range

New York to Florida, west to Colorado and Texas

Season

Flies June to August (1)

Food

Dyar reports the species to be polyphagous on deciduous trees (2)

Remarks

See photographs for a caterpillar feeding on what appeared to be a birch (alder, perhaps).

Arnett spells the species name beutenmülleri (3).

Print References

Covell, page 410, plate 55 (#20) (1)

Internet References

Moth Photographers Group - species page with photographs of living and pinned adults.

Adult photo at Maryland Moths

Male/Female photos at Georgia Lepidoptera

Adult photo by Bob Patterson

NCSU collection information

PDF with larval photos of other species in this genus

Works Cited

1.	Peterson Field Guides: Eastern Moths Charles V. Covell. 1984. Houghton Mifflin Company.

2.	The Life-Histories of the New York Slug Caterpillars Harrison G. Dyar. 1895. Journal of the New York Entomological Society.

3.	American Insects: A Handbook of the Insects of America North of Mexico Ross H. Arnett. 2000. CRC Press.

Contributed by Troy Bartlett on 3 January, 2005 - 9:29pm
Additional contributions by Jason D. Roberts, Maury Heiman, Robert Lord Zimlich, Blocky
Last updated 27 January, 2021 - 11:25am

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