Macrosoma amaculata
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| Macrosoma amaculata | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Lepidoptera |
| Family: | Hedylidae |
| Genus: | Macrosoma |
| Species: | M. amaculata |
| Binomial name | |
| Macrosoma amaculata Scoble, 1990 | |
Macrosoma amaculata is moth-like butterfly described by Malcolm J. Scoble in 1990. It belongs to the family Hedylidae.[1]
The species is found in the central western and northwestern Costa Rica: Guanacaste Province from 200 to 2,100 meters above sea level on both slopes of the Cordillera de Guanacaste, Tilarán and Talamanca, in the Osa Peninsula and the Valley of Talamanca.[2][3][4]
Description
The species is sexually dimorphic.[4]
Wings
M. amaculata has wings of greyish brown ground color. The apex of the forewing is dark brown and weakly emarginate with a notch which is present in both sexes (more pronounced in females). The edge of the apical patch is without white markings of the male whereas the female has a white patch of moderately sized close to the apex with two adjacent very small white spots. The hindwing lacks glassy patch at the base for both sexes; a dark brown color strip runs from the apex to lathe, parallel to the middle area.[3][4]
The length of the forewing of male is 20 mm.[3]
The length of the forewing of female is 22 mm.[4]
Genitalia
Male
Following are the characteristics of the genitalia:[3]
- The Gnathos is broad and denticulate. The medial component is very short and is not downcurved.
- Valva is subtriangular.
Antenna
The antenna is not bipectinate for both gender.[3]