. Brigham Young University science bulletin. Biology -- Periodicals. MlRIDAE OF THE NEVADA TEST SlTE 2. Myrmecomorphic species; cuneus and membrane vestigal or absent pithanini, p. 177 Species not myrmecomorphic; hemelytra divided into corium, clavus and em- bolium, cuneus and membrane present stenodemini, p. 177 3. Ostiolar peritreme small, its dorsal margin scarcely extending dorsad as far as ventral margin of mesepimeron resthemni, p. 181 Ostiolar peritreme prominent, its dorsal margin extending well above ventral margin of mesepimeron mount, p. 182 177 Tribe pithanini Key to the Genera 1.
. Brigham Young University science bulletin. Biology -- Periodicals. MlRIDAE OF THE NEVADA TEST SlTE 2. Myrmecomorphic species; cuneus and membrane vestigal or absent pithanini, p. 177 Species not myrmecomorphic; hemelytra divided into corium, clavus and em- bolium, cuneus and membrane present stenodemini, p. 177 3. Ostiolar peritreme small, its dorsal margin scarcely extending dorsad as far as ventral margin of mesepimeron resthemni, p. 181 Ostiolar peritreme prominent, its dorsal margin extending well above ventral margin of mesepimeron mount, p. 182 177 Tribe pithanini Key to the Genera 1. Length of first antennal segment less than width of vertex . Pithanus Fieb., p. 177 Length of first antennal segment greater than width of vertex Mimoceps Uhler. p. 177 Genus Mimoceps Uhler Mimoceps insignis Uhler Fig. 242 Mimoceps insignis Uhler, 1890:84. Mimoceps insignis Knight, 1941:125, Fig. 142. Mimoceps insignis Carvalho, 1958:277. This species is known from Colorado, Utah, Idaho, Montana, Wyoming, and New Mexico. Genus Pithanus Fieber Pithanus maerkeli Herrieh-Schaeffer Fig. 26 Pithanus maerkeli Herrieh-Schaeffer, 1838:78, Fig. 406. Pithanus maerkeli Fieber, 1861:239. Pithanus maerkeli Knight, 1941:19, 125. Pithanus maerkeli Carvalho, 1959:279, cat. This is a European species that has become established widely in North America. It is now known from British Columbia, Washington, Ore- gon, and several northeastern Fig. 242. Mimoceps insignis Uhler, brachypterous g Tribe stenodemini Key to the Genera 1. Pronotum distinctly punctate 2 Pronotum impunctate or rugulose 4. 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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