Trabala vishnou

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Rose-myrtle lappet moth
Trabala vishnou guttata dorsal.jpg
Male (guttata)
Trabala vishnou (Walker, 1855) Rose Myrtle Lappet Moth female Lasiocampidae (16076304697).jpg
Female
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Lasiocampidae
Genus: Trabala
Species:
T. vishnou
Binomial name
Trabala vishnou
(Lefèbvre, 1827)
Synonyms
  • Gastropacha vishnouLefèbvre, 1827
  • Amydona prasinaWalker, 1855

Trabala vishnou, the rose-myrtle lappet moth, [1] is a species of moth in the family Lasiocampidae. It is found in southern Asia, including Pakistan, India, Bangladesh, Thailand, Sri Lanka, Myanmar, China, Japan, Taiwan, Vietnam, and Indonesia. Four subspecies are recognized. [2] [3]

Contents

Description

Adult

The wingspan is about 67 mm for females and 47 for males. The body colour of the male is apple green. Antennae ochreous brown. The disk of the forewing and the inner margin of the hindwing are whitish. Forewings with a faint pale antemedial line curved below the costa. There is a dark speck at end of cell, and a pale straight oblique postmedial line which becomes medial on the hindwing. Both wings have a series of small submarginal dark spots. The female is yellowish green, which fades to ochreous. Lines and spots of both wings are enlarged and blackish. The spot at the end of the cell of the forewing is large, conspicuous and irrorated (sprinkled) with black scales, and sometimes centered with grey. A reddish-brown patch thickly irrorated with black occupying whole medial inner area from median nervure to inner margin. Cilia of wings are blackish. [4]

Immatures

Purplish morph Rose Myrtle Lappet Moth Caterpiller (Trabala vishnou) (5780289223).jpg
Purplish morph
Brownish morph Rose-myrtled Lappet Moth (Trabala vishnou) caterpillar (20360256003).jpg
Brownish morph

The larva has a yellow head spotted with red and its body colour is brownish grey with long lateral tufts on each somite. First somite is black and grey, other somites are grey. There are paired dorsal and lateral black spots on each somite, from which spring long black hairs. Spots on the thoracic somites are coalescing. Instead of usual coloured caterpillars, there are two morphs which can be found. Some larvae are blackish with a broad white dorsal stripe, the anterior tufts are reddish brown. The other morph is reddish with blue lateral spots. However, the cocoon is ochreous in all morphs with short black hairs projecting from it, which are intensely irritating. [5]

Ecology

Larvae have been reared on Populus species and also feed on castor, jamun, pomegranate, rose, and sandalwood plants. The braconid wasp, Cotesia trabalae is a known parasitoid of the moth. [6]

Subspecies

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References

  1. ↑ "Rose Myrtle Lappet Moth (Trabala vishnou)". iNaturalist. Retrieved 19 July 2016.
  2. ↑ "Trabala vishnou— Overview". Biodiversity Heritage Library. Retrieved 19 July 2016.
  3. ↑ "Trabala vishnou Lefèbvre, 1827". Catalogue of Life. Retrieved 10 June 2022.
  4. ↑ "Trabala vishnou Lefèbvre, 1827". India Biodiversity Portal. Retrieved 19 July 2016.
  5. ↑ Hampson, G. F. (1892). The Fauna of British India, Including Ceylon and Burma: Moths Volume I. Taylor and Francis – via Biodiversity Heritage Library.
  6. ↑ "Trabala vishnou (Lefèbvre)". ICAR-National Bureau of Agricultural Insect Resources. Retrieved 19 July 2016.


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