Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Interactive image map to choose major taxa Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar
Upcoming Events

National Moth Week was July 19-27, and the Summer 2025 gathering in Louisiana, July 19-27

Photos of insects and people from the 2024 BugGuide gathering in Idaho July 24-27

Moth submissions from National Moth Week 2024

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27


Species Tetracis cachexiata - White Slant-Line - Hodges#6964

Representative Images

White Slant Line, early instar - Tetracis cachexiata White Slant-line? - Tetracis cachexiata White Slant-Line - Tetracis cachexiata Geometridae: Tetracis cachexiata - Tetracis cachexiata White Slant-line - Tetracis cachexiata White Slant-Line - Tetracis cachexiata White Slant-Line - Tetracis cachexiata Moth on Garage Door, Perhaps Tetracis cachexiata - Tetracis cachexiata
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 Geometroidea (Geometrid and Swallowtail Moths)
Family Geometridae (Geometrid Moths)
Subfamily Ennominae
Tribe Ourapterygini
Genus Tetracis (Slant-Lines)
Species cachexiata (White Slant-Line - Hodges#6964)

Hodges Number

6964

Synonyms and other taxonomic changes

Tetracis cachexiata Guenée, [1858]

Numbers

one of 13 species in this genus in North America

Size

Forewing length 19–26 mm.

Identification

Adult - DFW with thin straight brown transverse PM line from apex to inner margin (sometimes indistinct) discal spot absent; DHW unmarked. Underside unmaculated., FERRIS & SCHMIDT, 2010. [Randy Hardy]

Larva - yellowish to brownish twig mimic with dorsal hump on thorax (1)

Range

Nova Scotia to central British Columbia, south to northern Florida, and west to Montana and northern Colorado.

Habitat

A montane and piedmont species

Season

The flight period appears to be March to September with May to July the peak. (2)

Food

many host plants for caterpillars; most are trees: pine, hemlock, spruce, fir, tamarack, arborvitae, maple, birch, hophornbeam, willow, poplar, cherry, hickory, ash, butternut, sheep laurel, oak, black locust, basswood, elm, dogwood, sweetfern, and iris.

Print References

Powell, J.A. & P.A. Opler 2009. Moths of Western North America. University of California Press. plate 30, fig. 32; p. 219. (1)