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Species Page - Tetracis crocallata
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scientific name    Tetracis crocallata    

common name     Yellow Slant-line

habitat
Deciduous and mixedwood forests, woodlands and shrubby areas.

seasonality
Adults fly from mid May to late June.

identification
A large pale-tan, geo, with the markings restricted to a straight transverse line from the apex to the anal margin of the forewing, a sharp, small discal spot, and a dusting of dark scales. Hindwings unmarked except for a faint discal spot. The straight PM line and absence of other prominent wing markings will separate the two Tetracis species; T. cachexiata is much paler (cream-white), lacks a discal spot and the dusting of dark scales.

life history
The larva is a twig mimic, possessing several shallow warts on the thorax and on the abdominal segments; colour is extremely variable, ranging from grey to brick, tan or brown. The pupa overwinters (Wagner et al. 2003). The larva is a twig mimic, possessing several shallow warts on the thorax and on the abdominal segments; colour is extremely variable, ranging from grey to brick, tan or brown. The pupa overwinters (Wagner et al. 2003). The larva is a twig mimic, possessing several shallow warts on the thorax and on the abdominal segments; colour is extremely variable, ranging from grey to brick, tan or brown. The pupa overwinters (Wagner et al. 2003).

conservation
The larva is a twig mimic, possessing several shallow warts on the thorax and on the abdominal segme

diet info
McGuffin (1987) lists alder (Alnus sp.) and willow (Salix sp.) as larval hosts.

range
T. crocallata is predominantly eastern in distribution, and is at the western edge of its range in Alberta. South to GA and TX (Wagner et al. 2001).

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=4306



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References (2)
Specimen Info
There are 53 specimens of this species in the online database
Map Distribution
Adult Seasonal Distributioncreate a collection histogram with specimens
Specimen List (53)
Related Links
Moth Photographers Group

 

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