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The Occurrence And Distribution Of Heterandria Formosa (Teleostei, Poeciliidae) In Lowndes County, Georgia, Jason C. Chaney, David L. Bechler
The Occurrence And Distribution Of Heterandria Formosa (Teleostei, Poeciliidae) In Lowndes County, Georgia, Jason C. Chaney, David L. Bechler
Georgia Journal of Science
Heretofore in the literature, Heterandria formosa had not been reported from Lowndes County, Georgia. Based on a survey of Lowndes County; we discovered eight localities from the southeastÂern portion of the county that collectively produced 30 specimens of H. formosa. The southeastern portion of the county is primarily flatwoods with numerous wetlands and low gradient streams compared to the remainder of the county, which is typified by a more upland habitat with greater relief and greater stream gradients. It is postulated that the greater stream gradients inhibited the migration of H. formosa into the southwestern and northern portions of …
A Redescription Of The First Instar Of Rhantus Calidus (Fabricius) (Coleoptera: Dytiscidae) With Notes On Its Biology, B. R. Lemieux, E. H. Barman, B. P. White
A Redescription Of The First Instar Of Rhantus Calidus (Fabricius) (Coleoptera: Dytiscidae) With Notes On Its Biology, B. R. Lemieux, E. H. Barman, B. P. White
Georgia Journal of Science
First instars of Rhantus calidus (Fabricius) representing a Georgia population are described and illustrated. Dimensions are provided along with an analysis of the primary chaetotaxy of legs, head, and last abdominal segment. The presence of first instars at the study site demonstrated that R. calidus either requires or is at least tolerant of warmer temperatures for completion of its life cycle. Habitats with temperatures comparable to this site were likely present in a warm Atlantic coastal enclave during the last glacial maximum (LGM), making it probable that the LGM dytiscid fauna of Georgia included R. calidus.
A Description Of The Third Instar Of Platambus Flavovittaus (Larson And Wolfe, 1998) With Comments On The Larval Morphology Of Platambus Stagninus (Say, 1823) And A Key To The Agabini (Coleoptera: Dytiscidae) Of Georgia, R. Wilkes, B. P. White, G. W. Wolfe, E. H. Barman
A Description Of The Third Instar Of Platambus Flavovittaus (Larson And Wolfe, 1998) With Comments On The Larval Morphology Of Platambus Stagninus (Say, 1823) And A Key To The Agabini (Coleoptera: Dytiscidae) Of Georgia, R. Wilkes, B. P. White, G. W. Wolfe, E. H. Barman
Georgia Journal of Science
Mature Agabini larvae collected from a small temporary road-side habitat were reared to the adult stage and identified as Platambus flavovittattus (Larson and Wolfe, 1998). The mature larva is described and illustrated with an emphasis on leg morphology. Important differences between cranial temporal curvatures of P. flavovittatus and P. stagninus (Say, 1823) are described. A larval key is constructed to facilitate identification of Georgia agabine genera and species.