Macrosoma albida

Macrosoma albida is moth-like butterfly described by William Schaus in 1901. It belongs to the family Hedylidae.[1] Originally it belonged to the genus Hyphedyle.[2]

Macrosoma albida
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Lepidoptera
Superfamily:
Hedyloidea
Family:
Hedylidae
Genus:
Macrosoma
Species:
M. albida
Binomial name
Macrosoma albida
(Schaus, 1901)
Synonyms
  • Hyphedyle albida Schaus, 1901

Distribution

The species is found in Costa Rica,[3] at altitudes between 0 and 700 meters in the Cordillera de Guanacaste[3] as well as in Rio de Janeiro, eastern and southern Brazil.[2][3][4]

Description

Wings

Adults has white wings with a black spot; the forewing has black irrorations on both surfaces at base of costa.[4]
The length of the forewing can be 17–22 mm:

  • Male: 17.5 mm in average.[3]
  • Female: 19 mm in average.[3]

Genitalia

Male

Following are the characteristics of the male genitalia:[4]

  • The medial component of gnathos is tongue-shaped but not down curved.
  • Broadly terminating denticulate lateral components.
  • Valva is subrectangular with digit-like projection.

Female

The female genitalia is same as M. rubedinaria shows the following features:[4]

  • The anal papillae is more pointed than rounded.
  • Long ductus bursae.
  • Denticulate signum in the corpus bursae.

Antenna

The antenna of M. albida is not bipectinate.[4]

Diagnosis

The wing pattern is distinct. Whereas in M. ustrinaria the wings bear scattered irrorations, in M. albida the irrorations are confined to the base of the costa of the forewing. The male genitalia are similar to those of M. ustrinaria, but differ slightly in the shape of the valva.[4]

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References

Sources
  1. Macrosoma albida - Overview - Encyclopedia of Life.
  2. Scoble, M.J. (1990). A catalogue of the Hedylidae (Lepidoptera: Hedyloidea), with descriptions of two new species. Insect Systematics & Evolution, Volume 21, Number 2, 1990, Page: 113-119.
  3. Especies de Costa Rica - Macrosoma albida Archived 2007-10-13 at the Wayback Machine.
  4. Scoble, M.J. (1990). An identification guide to the Hedylidae (Lepidoptera: Hedyloidea). Insect Systematics & Evolution, Volume 21, Number 2, 1990 , Page: 121-158.
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