Carabus nemoralis

Carabus nemoralis (commonly called the "Bronze Carabid") is a ground beetle common in central and northern Europe, as well as Iceland and Canada. While native to Europe, it has been introduced to and is expanding its range throughout North America.[1]

Larva

Carabus nemoralis
Carabus nemoralis
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Coleoptera
Family:
Carabidae
Genus:
Carabus
Division: Carabus div. Carabogenici
Subdivision: Carabus subdiv. Archicarabomorphi
Subgenus:
Carabus (Archicarabus)
Species:
C. nemoralis
Binomial name
Carabus nemoralis

Ecology

Feeding habits

Carabus nemoralis is a beneficial predator as it eats the agricultural pest Deroceras reticulatum slug in its young stage and also its eggs. Use of Carabus nemoralis as a biocontrol agent for multiple pests in large scale farming operations have been tested in recent years.[2]

Defensive adaptations

It is known that some Carabus nemoralis populations will regurgitate foul-smelling brownish-red liquid as a defense mechanism.

Reproduction

C. nemoralis typically has one breeding period in the spring with eggs hatching in autumn of the same year. [3])

References
  1. Cardenas, A.M; Buddle, C.M (2007). "Distribution and potential range expansion of seven introduced ground beetle species (Coleoptera: Carabidae) in Quebec, Canada". The Coleopterists Bulletin. 61: 135–142. doi:10.1649/937.1.
  2. Lee, J.C; Edwards, D.L (1999). "Impact of predatory Carabids on below and above ground pests and yield in strawberry". BioControl. 57 (4): 515–522. doi:10.1007/s10526-011-9425-z.
  3. Hiembach, Weber, Udu, Friedrich (2001). "Behavioural, reproductive and developmental seasonality in Carabus auronitens and Carabus nemoralis (Col., Carabidae)". Mitt. Biol. Bundesanst. Land- Forstwirtsch. 382: 1–194. CiteSeerX 10.1.1.977.6083.


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