Colony Structure and Nest Location of Two Species of Dacetine Ants: Pyramica ohioensis (Kennedy & Schramm) and Pyramica rostrata (Emery) in Maryland (Hymenoptera: Formicidae)

Table 3

Numbers of workers per colony of North American Pyramica species.

Species	Number of workers	Number of queens	Reference
P. apalachicolensis	>300		Deyrup and Lubertazzi [38]
P. bunki	40		King and Porter [39]
P. clypeata	50		King and Porter [39]
P. clypeata	62		Brown [17]
P. creightoni	50		King and Porter [39]
P. deyrupi	50		King and Porter [39]
P. dietrichi	80		Kennedy and Schramm [40]
P. dietrichi	50		King and Porter [39]
P. eggersi *	50		King and Porter [39]
P. memorailis	54	1	Deyrup [41]
P. ohioensis	𝑥=56; 𝑛=12	2.6 ± SD 1.7	This study
P. ohioensis	53		Brown [17]
P. ornate	20		L. G. Wesson and R. G. Wesson [8]
P. pergandei	Up to 300		Brown [17]
P. pergandei	700		Brown [37]
P. pergandei	146	1	Wilson [10]
P. pilinasis	30	2	L. G. Wesson and R. G. Wesson [8]
P. pulchella	6–60		Smith [42]
P. rostrata	𝑥=82; 𝑛=22	5.0 ± SD 4.9	This study
P. rostrata	~200	3–5	Brown [17]
P. rostrata	72		Brown [17] listed by Geraghty et al., [43] [Possibly incorrectly reported]
P. talpa	~60		L. G. Wesson and R. G. Wesson [8]

*exotic, introduced species in the United States. 𝑛 = number of colonies analyzed.