. Brigham Young University science bulletin. Biology -- Periodicals. 11 \\i ^01 \\ a small, circular (rater of soil about five inches in diameter Fig. 18). The timid sluggish workers appear to he cre- puscular foragers. They can he recognized by the medium, reddish brown body color, the large eyes, the punctate and subopaque occiput, the epinotal spines ol medium length, and the dis- tinctive thoracic contour and broadly subtrun- cate petiolar node i Fig. 16A . \\ inged castes appeared abundantly in the nests between Julv I and 27 Mating flights were not Fig. 18. Mound of Ver
. Brigham Young University science bulletin. Biology -- Periodicals. 11 \\i ^01 \\ a small, circular (rater of soil about five inches in diameter Fig. 18). The timid sluggish workers appear to he cre- puscular foragers. They can he recognized by the medium, reddish brown body color, the large eyes, the punctate and subopaque occiput, the epinotal spines ol medium length, and the dis- tinctive thoracic contour and broadly subtrun- cate petiolar node i Fig. 16A . \\ inged castes appeared abundantly in the nests between Julv I and 27 Mating flights were not Fig. 18. Mound of Veromessor smithi in a Coleogyne community. Ruler is sL\ inches in length. Genus Pheidole Westwood A Key to Species of the Genus Pheidole for Identification of the Workers 1. Antenna] scape ol major suqwssing the occipital corner; large ants, length of major to mm, of minor to mm desertorum Wheeler Vntennal scape ol major not reaching the occipital corner; smaller ants, length of major less than mm. ol minor less than mm 2 2. Major with transverse occipital striae which are confined chiefly to the top of the occiput pilifcrn coloradensis Emery. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Brigham Young University. Provo, Utah : Brigham Young University
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