Blackburnia (Metromenus) lanaihalensis Liebherr and Zimmerman

Liebherr, James K., 2009, Native And Alien Carabidae (Coleoptera) Share Lanai, An Ecologically Devastated Island, The Coleopterists Bulletin 63 (4), pp. 383-411 : 399

Blackburnia (Metromenus) lanaihalensis Liebherr and Zimmerman

Distribution. This species is known only from two males collected by Perkins during January 1894 and placed in his lot 83 (‘‘Lanai, behind Koele, about 2.000 ft. ’94’’; Anonymous N. D.; Fig. 6A ). Perkins also collected B. filipes in this lot (Liebherr 2000). The fate of this species may be the same as that of its syntopic relative, B. lanaiensis ; i.e., extirpation during the habitat destruction meted out in Kaiholena Gulch by goats, sheep, and ants ( Giffard 1908).

Habitat. The habitat of this species would have been associated most likely with the stream in Kaiholena Gulch. This postdiction is made based on the riparian habits shared by the two species that comprise this species’ adelphotaxon, the extant Molokai species B. vagans (Sharp) and the extant West Maui species B. auana Liebherr (Liebherr and Zimmerman 2000) .

Figures

Fig. 6. Known distributions of carabid beetle species on Lanai. A. Blackburnia lanaihalensis. B. B. depressa. C. B. filipes. D. Metacolpodes buchanani. E. Gnathaphanus picipes (small circles), G. picipes plus G. multipunctatus (larger bullseye). F. Perigona nigriceps.