A Survey of Ant Species in Three Habitats at Mount St. Helens National Volcanic Monument

Table 2

List of ant species and numbers collected in each habitat type at Mount St. Helens National Volcanic Monument between 22 and 25 July 2008.

Genus	Species		Habitat type*		Total number
		PPLV	PPHV	BDZ
Formica	lasioides Emery	1	479	49	529
Formica	montana Wheeler	10	11	314	335
Formica	obscuripes Forel	0	40	0	40
Camponotus	modoc Wheeler	0	0	39	39
Leptothorax	muscorum (Nylander)	0	3	12	15
Tapinoma	sessile (Say)	0	0	13	13
Myrmica	fracticornis Forel	0	3	4	7
Formica	argentea Wheeler	0	0	6	6
Lasius	alienus (Foerster)	0	0	2	2
Manica	hunteri (Wheeler)	0	0	1	1

* PPLV: Pumice Plain-Low Vegetation, PPHV: Pumice Plain-High Vegetation, BDZ: Blowdown Zone.