Macrogyrus howittii (a species of whirligig-beetle)
Basis for Tasmanian occurrence
Semmens, T.D., McQuillan, P.B. & Hayhurst, G. (1992). Catalogue of the Insects of Tasmania. Government of Tasmania: Department of Primary Industry, 104 pp. (as Macrogyrus howitti)
TMAG collections
Classification
Order: Coleoptera
Suborder: Adephaga
Superfamily: Caraboidea
Family: Gyrinidae
Morphology
Typical length (mm): 12
Flightedness: winged and assumed capable of flight
Ecology
Assumed larval feeding: predator
Association with dead wood or old trees: not saproxylic
Ecological attributes: aquatic
