Tarache dacia

(Druce, 1889)

brown cotton leafworm

Tarache dacia is a of noctuid commonly known as the brown cotton leafworm. It belongs to the bird dropping moth group within the Acontiinae, characterized by larvae that feed on plants in the Hibiscus. The species was originally described as Acontia dacia by Druce in 1889 and is currently classified under the genus Tarache.

Tarache dacia by no rights reserved, uploaded by Andreas Manz. Used under a CC0 license.

Pronunciation

How to pronounce Tarache dacia: /ˈtɑɹətʃeɪ ˈdeɪʃiə/

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Identification

of Tarache dacia can be distinguished from similar bird dropping moths in the Tarache by genitalia examination; external features are often subtle. The genus is characterized by relatively small size and cryptic coloration. Larvae are distinctive: full-grown larvae reach 34–36 mm in length, are dark purple with black spots edged with orange, and feed on Hibiscus .

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Distribution

The occurs in North America. Specific distribution records include western Kentucky and Oklahoma. The Tarache is primarily New World in distribution.

Diet

Larvae feed on plants in the Hibiscus, including Hibiscus lasiocarpus (hairy rose mallow). They feed on upper and lower leaf surfaces, usually near margins, creating large holes in leaves and sometimes consuming parts of bracts around buds.

Host Associations

  • Hibiscus lasiocarpus - larval hairy rose mallow
  • Hibiscus - larval -level association

Human Relevance

The has been considered a pest of ornamental mallows, with historical control recommendations including lead arsenate spraying.

Similar Taxa

  • Tarache delectaSimilar larval appearance and plant use (Hibiscus); distinguished by genitalia and subtle external characters
  • Tarache areloidesCongeneric bird dropping moth with similar cryptic coloration; requires genitalia examination for definitive identification

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