Solpugid Populations in Southwestern New Mexico
Abstract
Solpugid populations in southwestern New Mexico, were evaluated by can traps and miscellaneous collecting. Present data indicate that populations are 2 to 4 times larger in the arid-grassland than in the pinyon-juniper life zone. Within the 2 life zones, they vary in size from year to year and locality to locality. Flooding and over grazing appear to be 2 factors involved in such variation. Eremobates spp. predominately inhabit the arid-grassland but can and do invade and live in the pinyon-juniper life zone and may also invade the montane zone. Ten species occur in the region. Three, Eremobates hessei (Roewer), E. n. sp. (palpisetulosus-group), and E. pallipes (Say), are common; 1, Eremorhax n. sp. (magnus-group), is relatively common; 2, Hemerotrecha fruitana Muma and Ammotrechula peninsulana (Banks), are uncommon; and 3, Eremochelis sp. (imperialis-group), Hemerotrecha sp. (banksi-group), and Hemerotrecha marathoni Muma, are rare. Eremochelis bilobatus (Muma) also occurs in the area but its population cannot be evaluated with present methods.Downloads
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