Author： ASQUITH ADAM
Publisher： Entomological Society of America
ISSN： 1938-2901
Source： Annals of the Entomological Society of America, Vol.87, Iss.2, 1994-03, pp. : 207-213
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Abstract
The current hypothesis for the phylogeny and origins of the Hawaiian Metrargini is tested using cladistic parsimony methods. The most parsimonious trees support the current hypothesis, but it is argued that complex characters interpreted as homoplasious in the analysis are actually synapomorphies. A new phylogenetic hypothesis is reported, in which all the Hawaiian genera plus the New World genus Xyonysius Ashlock & Lattin form a monophyletic group. It is proposed that within the Metrargini there were at least two and possibly three independent colonizations of the Hawaiian Islands from North or South America.
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