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Photo#1466896
Anisodactylus alternans

Anisodactylus alternans
Old Mill site in Westwood, elevation 5100', Lassen County, California, USA
September 27, 2011
Size: Body length 9.5mm
GrBet 037 - Sent to Peter W. Messer

Same as this previous submission, but nicer photos:

Images of this individual: tag all
Anisodactylus alternans Anisodactylus alternans

Anisodactylus (Anadaptus) alternans (Motschulsky, 1845)
is confirmed by my physical examination of this male specimen that is now held in PWMC. Thank you Jim.

PWM taxonomic note inserted into the species info page:
Bousquet & Larochelle (1993: 14) and Bousquet (2012: 1033) established that Anisodactylus (Anadaptus) alternans (Motschulsky, 1845) is the synonym senior to Anisodactylus alternans LeConte, 1851; Anisodactylus nivalis G.H. Horn, 1880; Anisodactylus parvulus (Casey, 1914). The revision of subgenus Anadaptus by Noonan (2001) unfortunately missed Motschulsky's seniority. Otherwise, Noonan's 2001 key corrects the misplacement of A. alternans in Lindroth's 1968 key. Two colored morphs are sympatric: the bicolored morph and the less common dark morph.

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