Euchromius tanalis
| Euchromius tanalis | ||||||||||
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| Systematics | ||||||||||
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| Scientific name | ||||||||||
| Euchromius tanalis | ||||||||||
| Schouten , 1988 |
Euchromius tanalis is a butterfly ( moth ) from the Crambidae family .
features
The fore wing length is 20 to 24 millimeters. The creamy white front is pulled forward and has a distinct point. The labial palps are basal on the sides and creamy white from above and below, otherwise brown. The maxillary palps are also surrounded by creamy white and brown at the base. Your last link is creamy white to light brown. The antennae are also creamy white.
The thorax is creamy white to brown. The Patagia is light brown and has two inconspicuous, broad, brown longitudinal stripes. The tegulae are creamy white to brown and evenly spotted. The forewings are creamy white and dense ocher to dark brown scales. An ocher-colored brownish sub-terminal line is formed approximately in the middle between the terminal spots and the end of the rear wing area. The area adjacent to the terminal spots is white. The eight to nine black terminal spots are arranged in a 2-2-3-1 or 2-2-3-2 pattern. The wing fringes are shiny, creamy white, and encompass two or three brown lines. The hind wings are creamy white to light brown. The term has a dark border, the fringes are white with a brownish line. The eighth tergite has a normally sclerotized sclerite , the posterior part of which is larger than the anterior. Both parts are roughly rectangular and connected by a stem.
Similar species
Outwardly, the species cannot be distinguished from Euchromius mythus and Euchromius geminus . It differs from Euchromius matador in the arrangement of the terminal spots. In the similar species they are arranged in the pattern 2-2-2-2-1 or 2-2-2-2-2, whereas in Euchromius tanalis they are arranged in the pattern 2-2-3-1 or 2-2-3- 2 are arranged. The African specimens of Euchromius ocelleus also have a similarity. However, these have a snout that is less drawn forward. In terms of genital morphology, Euchromius tanalis differs from the other species by a club-shaped cucullus. The cornuti form a dense row, the aedeagus is shorter and less slender than with Euchromius mythus . The ostium is different from the similar species large and tooth-shaped. The species also differs from Euchromius mythus by a slightly sclerotized part of the ductus bursae near the ductus seminalis . The sclerotized part below the ostium is also shaped differently.
Occurrence and habitat
Euchromius tanalis is common in the mountainous regions of Kenya and Ethiopia . The habitat extends to vegetation zones between 1200 and 3250 meters in altitude. The moths were caught in Ethiopia in October and in Kenya in January, May and June.