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Sunday, 22 January 2023
Saturday, 21 January 2023
Friday, 20 January 2023
22-8-2021 SPACE MUSEUM, CUENCA - AMASTUS MOTH (Genus Amastus)
Clearwing tiger moth belonging to the subfamily Arctiinae (family Erebidae), resembling species in genera such as [Amastus] or related Phaegopterina groups native to the Neotropics.
Taxonomy: Order Lepidoptera, family Erebidae, subfamily Arctiinae.
Characteristics: Distinctive translucent or clear wings with prominent dark veining and a densely furred, robust yellowish-brown thorax and abdomen.
Distribution: Primarily found in Central and South American tropical rainforest habitats.
Thursday, 19 January 2023
22-8-2021 SPACE MUSEUM, CUENCA - JULIA HELICONIAN BUTTERFLY (Dryas iulia)
Dryas iulia (often incorrectly spelled julia), commonly called the Julia butterfly, Julia heliconian, the flame, or flambeau, is a species of brush-footed (or nymphalid) butterfly. The sole representative of its genus Dryas, it is native from Brazil to southern Texas and Florida, and in summer can sometimes be found as far north as eastern Nebraska. Over 15 subspecies have been described.
Its wingspan ranges from 82 to 92 mm, and it is colored orange (brighter in male specimens) with black markings; this species is somewhat unpalatable to birds and belongs to the "orange" Müllerian mimicry complex.
This butterfly is a fast flier and frequents clearings, paths, and margins of forests and woodlands. It feeds on the nectar of flowers, such as lantanas (Lantana) and shepherd's-needle (Scandix pecten-veneris), and drinks the tears of caiman, the eye of which the butterfly irritates to produce tears. Its caterpillar feeds on leaves of passion vines, including Passiflora affinis and yellow passionflower (P. lutea) in Texas.
Its mating behavior is complex and involves a prolonged courtship whose outcome appears to be controlled by the female. This raises questions pertaining to the occurrence of the evolution of sexual conflict.
Wednesday, 18 January 2023
Tuesday, 17 January 2023
Sunday, 15 January 2023
Saturday, 14 January 2023
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Friday, 13 January 2023
21-12-2022 KOTU, GAMBIA - OLIVE NAPED WEAVER (Ploceus brachypterus)
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The olive-naped weaver (Ploceus brachypterus) is a bird species in the family Ploceidae. It is found in West Africa from Senegal and Gambia to Camaroon.
The olive-naped weaver was formally described and illustrated in 1837 by the English naturalist William John Swainson. He did not specify the origin of his specimens but they probably came from Senegal. He placed the species in the genus Ploceus and coined the binomial name Ploceus brachypterus. The specific epithet is from Ancient Greek brakhupteros meaning "short-winged".
The olive-naped weaver was formerly considered to be a subspecies of the black-necked weaver (Ploceus nigricollis). The two species differ in plumage and in the colour of the iris, but a molecular study published in 2019 found that they are genetically very similar.
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