Lagria grenieri is a species of beetle belonging to the family Tenebrionidae, subfamily Lagriinae (often referred to as long-jointed beetles or lagriid beetles).
Here are the key facts about Lagria grenieri:
Appearance and Identification: The species is characterized by a completely black body, with the exception of the elytra (wing covers), which are yellow and covered with long yellow hairs. They have a narrow pronotum (the top part of the thorax) and elytra that are clearly enlarged towards the back.
Sexual Dimorphism: Males and females are easily distinguished. Males are generally smaller and narrower than females. A key identifying feature is that in males, the last antennomere (terminal segment of the antenna) is as long as the following five segments combined.
Habitat and Distribution: Lagria grenieri was originally described from France but is distributed across the Iberian Peninsula. It is found in Spain and has been recorded in the Balearic Islands, including Mallorca.
Taxonomy: It belongs to the genus Lagria, in the tribe Lagriini.
Biology: Like other beetles in the family Tenebrionidae, Lagria grenieri is a part of the Coleoptera order (beetles). While not specifically highlighted as a pest in the search results, they are part of the broader group known to have complex, often symbiotic, relationships with microorganisms.
