2007
Guides
Dialytodius
Dialytodius is a genus of scarab beetles in the family Scarabaeidae, subfamily Aphodiinae. The genus was established by Gordon and Skelley in 2007. It belongs to the tribe Aphodiini and is currently recognized as valid. Species in this genus are part of the diverse aphodiine dung beetle fauna of the Nearctic region.
Oscarinus welderi
Oscarinus welderi is a species of dung beetle in the family Scarabaeidae, first described in 2007 from Texas. It belongs to a genus known for dung-feeding ecology, though specific details for this species remain limited. The species is documented from very few observations.
Pacifastacus leniusculus
Signal Crayfish
The signal crayfish is a large North American freshwater crayfish introduced to Europe in the 1960s to replace declining native fisheries. It has become one of the most ecologically impactful invasive decapods in Europe, outcompeting native crayfish and serving as a carrier of crayfish plague (Aphanomyces astaci). The species establishes self-sustaining populations rapidly, with six age cohorts documented within a few years of introduction. It shows sex- and size-specific coloration patterns, with males displaying more saturated and brighter ventral claw surfaces than females, suggesting a role in intraspecific communication.
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Schaefferellus is a genus of scarab beetles in the family Scarabaeidae, subfamily Aphodiinae. It was established by Gordon and Skelley in 2007 and is classified within the tribe Aphodiini. The genus belongs to the dung beetle group Aphodiina, which are generally small to medium-sized beetles associated with decomposing organic matter. Very little published information exists on the biology or species diversity of this genus.