. Bionomics, systematics, and phylogeny of Lytta, a genus of blister beetles (Coleoptera, Meloidae). Lytta. SYSTEMATICS AND PHYLOGENY 71 compressed but not perceptibly incrassate except in comparison with same segments in female; VI-VIII progressively slightly wider; segments longer than broad. Sixth abdominal sternum as in Figure 226; lateral lobes of sternum obtuse. Pygidium not produced. Genitalia as in Figure 299. Female. Antennae as in male except that segments IV and V are visibly narrower than VI. Type locality. Huetamo, Michoacan. Geographic distribution. Lower elevations from central
. Bionomics, systematics, and phylogeny of Lytta, a genus of blister beetles (Coleoptera, Meloidae). Lytta. SYSTEMATICS AND PHYLOGENY 71 compressed but not perceptibly incrassate except in comparison with same segments in female; VI-VIII progressively slightly wider; segments longer than broad. Sixth abdominal sternum as in Figure 226; lateral lobes of sternum obtuse. Pygidium not produced. Genitalia as in Figure 299. Female. Antennae as in male except that segments IV and V are visibly narrower than VI. Type locality. Huetamo, Michoacan. Geographic distribution. Lower elevations from central Michoacan to eastern Guerrero. (See Fig. 19.) All known localities for michoacanae are within the valley system of the Rio Balsas and its tributaries. Seasonal distribution. July 13—August 20. Records. MEXICO: Guerrero: Iguala, 3; 30 km. south of Iguala, 2300 ft., farmland, July, 25; Mexcala [Mezcala], 1350 ft., August, 1; 5 mi. north-northeast of Mexcala, 2000 ft., August, 5; 9 km. north of Zumpango [del Rio], 2800 ft., August, 18. Michoacan: Huetamo, 2 (paratypes); Tacambaro [de Codallos] (Champion, 1892). Remarks. Specimens of this species superficially resemble small speci- mens of the orange phase of variabilis but are easily separable on the basis of the color of the pubescence on the upper surface of the body (pale in orange-phase variabilis) as well as by structural Fig. 19. Distribution of Lytta michoacanae (circles) and Lijtta ebenina (squares ]. 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 Selander, Richard Brent, 1927-. Urbana, University of Illinois Press
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