. Bulletin of the Southern California Academy of Sciences. Science; Natural history; Natural history. New Beach Hopper From Mexico 3 Family Talitridae Bulycheva 1957 Genus Orchestoidea Nicolet 1849 Orchestoidea gracilis, new species Description: Male ( mm.). Head about as deep as long, convex above; inferior antennal sinus well incised. Eye very large, black, sub-trapezoidal, more than half length of head. Antenna 1 short, peduncular segments subequal, flagellum of 6-7 short segments. An- tenna 2 very long, about equal to body length; flagellum much longer. Figure 1. Orchestoidea gracilis

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. Bulletin of the Southern California Academy of Sciences. Science; Natural history; Natural history. New Beach Hopper From Mexico 3 Family Talitridae Bulycheva 1957 Genus Orchestoidea Nicolet 1849 Orchestoidea gracilis, new species Description: Male ( mm.). Head about as deep as long, convex above; inferior antennal sinus well incised. Eye very large, black, sub-trapezoidal, more than half length of head. Antenna 1 short, peduncular segments subequal, flagellum of 6-7 short segments. An- tenna 2 very long, about equal to body length; flagellum much longer. Figure 1. Orchestoidea gracilis new species from Cabo San Lucas, Baja Cali- fornia, Mexico. 1. Male. mm. 2. Female, 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 Southern California Academy of Sciences. Los Angeles, Calif. : The Academy

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