Two-spotted Predaceous Diving Beetle

Laccophilus biguttatus

General Status Rank: 
Secure
Common Name: 
Two-spotted Predaceous Diving Beetle
Scientific Name: 
Laccophilus biguttatus
Naming References: 
B168
B175
W046
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Taxonomy
Group: 
Beetle
Kingdom: 
Animalia
Phylum: 
Arthropoda
Class: 
Insecta
Order: 
Coleoptera
Family: 
Dytiscidae
Habitat
permanent ponds in both grasslands and forested areas
References: 
B168
Distribution

Ecozones

Taiga Plains, Taiga Shield, Boreal Plains
References: 
B168

Distribution

6% (12/200)
Score: 
F
References: 
B168

Number of Occurrences

13-14 from Ft Smith, Yellowknife, to Dempster Hwg
Score: 
BE
References: 
B168

Area of Occupancy

Score: 
-
Threats

Threats

Score: 
C

Intrinsic Vulnerability

Score: 
-
General Status Rank
Rank: 
Secure
Status Rank Description: 
General Status rank = 4 = secure in 2010 and 2013 by David Larson ;; Ref = Larson, D. J., Alarie, Y., & Roughley, R. E. (2000). Predaceous diving beetles (Coleoptera: Dytiscidae) of the Nearctic Region, with emphasis on the fauna of Canada and Alaska (p.
S Rank: 
S4S5
Decision Process Description: 
Ranked by James R. Duncan, Ph.D (2010), Manitoba Conservation, 200 Saulteaux Crescent, P.O. Box 24, Winnipeg, MB , R3J 3W3 as part of Canada-wide ranks. Based on the Checklist by Larson DJ and Roughley RE (W046) and verified by the National General Status Working Group (March 2010).; Reviewed ranks by Chandra Venables (2012-2014) under contract for northern beetles assessment with Environment Canada (National General Status Assessment) – no change
Last Updated: 
September 9, 2014

References

Ecozones

  • Larson, D.J., Alarie, Y. and Roughley, R.E. (2000) Predaceous Diving Beetles (Coeoptera: Dytiscidae) of the Nearctic Region, with emphasis on the fauna of Canada and Alaska.. NRC Research Press ENR Library - B168 Return

Habitat

  • Larson, D.J., Alarie, Y. and Roughley, R.E. (2000) Predaceous Diving Beetles (Coeoptera: Dytiscidae) of the Nearctic Region, with emphasis on the fauna of Canada and Alaska.. NRC Research Press ENR Library - B168 Return

Naming

  • Larson, D.J., Alarie, Y. and Roughley, R.E. (2000) Predaceous Diving Beetles (Coeoptera: Dytiscidae) of the Nearctic Region, with emphasis on the fauna of Canada and Alaska.. NRC Research Press ENR Library - B168 Return
  • Larson,D.J. (1997) Dystiscid Water Beetles (Coleoptera: Dytiscidae) of the Yukon. in Insects of the Yukon. Biological Survey of Canada (Terrestrial arthropods).1034pp. 491-522 - B175 Return
  • Larson DJ. And Roughley.R.E. (2004) Family Dytiscidae (Predaceous Diving Beetles). Part of the CHECKLIST OF THE BEETLES OF CANADA AND ALASKA http://www.canacoll.org/Coleo/Checklist/PDF%20files/DYTISCIDAE.pdf - W046 Return

Number of Occurrences

  • Larson, D.J., Alarie, Y. and Roughley, R.E. (2000) Predaceous Diving Beetles (Coeoptera: Dytiscidae) of the Nearctic Region, with emphasis on the fauna of Canada and Alaska.. NRC Research Press ENR Library - B168 Return

Range Extent

  • Larson, D.J., Alarie, Y. and Roughley, R.E. (2000) Predaceous Diving Beetles (Coeoptera: Dytiscidae) of the Nearctic Region, with emphasis on the fauna of Canada and Alaska.. NRC Research Press ENR Library - B168 Return