Pterostichus melanarius, the Rain Beetle,[1] is a type of carabid (ground beetle) of the genus Coleoptera. It is native to Europe but is increasingly found in North America after being introduced to the region in the 1920s. It is a predatory beetle that eats invertebrate pests, which makes it a valuable pest control agent in agricultural settings. Additionally, the beetle has wing dimorphism which has contributed to its increasing distribution across North America.[2]
Pterostichus melanarius
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Coleoptera
Suborder:
Adephaga
Family:
Carabidae
Genus:
Pterostichus
Species:
P. melanarius
Binomial name
Pterostichus melanarius
(Illiger, 1798)
The larvae of this species of beetle have been observed exhibiting cannibalistic behaviorisms in high population densities.[3] The rain beetle's habitat is influenced by their hunger level, with starved beetles preferring larger prey ranges compared to satiated beetles.[4]
^"Pterostichus melanarius (PTESML)[Overview]| EPPO Global Database". gd.eppo.int. Retrieved 2024-04-05.
^Busch, Anna K; Wham, Briana E; Tooker, John F (2021-09-07). "Life History, Biology, and Distribution ofPterostichus melanarius(Coleoptera: Carabidae) in North America". Environmental Entomology. 50 (6): 1257–1266. doi:10.1093/ee/nvab090. ISSN 0046-225X. PMID 34492115.
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Global Information