Ivona Mariș - Sexual dimorphism in Rosalia alpina

Nombre y apellidos: Ivona Mariș
Web: https://www.dinmansarda.com/

Redes sociales: https://www.instagram.com/ivonamaris/

País: Romania

Título: Sexual dimorphism in Rosalia alpina
Especie: Rosalia alpina (Linnaeus, 1758) – male and female

Descripción: "Rosalia alpina is an saproxylic beetle, an endangered and strictly protected icon of European biodiversity.

Body length up to 40 mm. Peculiar and marvelous velvety bluish-grey to light blue body. Symmetrically arranged black spots of variable shape on the elytra. Typically it has three black spots on each elytron and one black spot in the middle of the anterior border of the pronotum.

Sexual dimorphism:
Female: The antennae are a little longer than the body, with tufts of hair up to the 6-7th segment, the last three or four segments are with a dark and smooth apex. Plain mandibles.
Male: The antennae are up to twice the body length, with tufts of hair up to the 5-6th segment. Length of the elytra is slightly shorter in males. Toothed mandibles.

Habitat: Fagus sylvatica, but also Ulmus

Categoría: Ilustración naturalista

Técnica: Winsor&Newton Watercolor on Langton Prestige Daler Rowney, hot-pressed, 100% cotton, 300gsm watercolor paper, digitally edited
Tamaño: Original watercolor – 38 x 56 cm
Año: 2022

Suscríbete al newsletter de Illustraciencia y te regalamos nuestro ebook gratuito.