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The formal synonymy follows: Plagiometriona clavata (Fabricius). An Illustrated Descriptive Catalogue of the Coleoptera or Beetles Known to Occur in Indiana. Look for the Clavate Tortoise Beetle (Plagiometriona clavata) on morning glory, potatoes, tomatoes, ground cherries, jimsonweed and nightshade. It flew when I tried to remove it. Fattig 1948 [The illustration of this species by Dillon and Dillon (1961) has the legend reversed with that of Metriona bivittata (Say); Plagiometriona clavata is actually figure 9 on plate 74.]. Lateral view of an adult clavate tortoise beetle, Plagiometriona clavata (Fabricius), showing conical peak. Plagiometriona clavata has potential to evolve further to feed extensively on a larger variety of solanaceous plants, therefore becoming a pertinent agricultural pest. This fecal mass is carried over the dorsum in the same form as trash bugs (Neuroptera), and presumably offers a degree of protection through camouflage. Leasia, M. and B. Scholtens 2013. Biology and phlogeny of the Cassidinae Gyllenhal sensu lato (tortoise and leaf-mining beetles) (Coleoptera: Chrysomelidae). Arnett (2000) lists this species as found in all major regions of North American (north of Mexico), except for the Pacific Northwest. Vencl, F., M. Morton, R. Mumma, J. Schultz. reproduction in which eggs are released by the female; development of offspring occurs outside the mother's body. Though some gardeners consider them a pest, the tortoise beetle … Subject: Plagiometriona clavata (Fabricius, 1798) Synonyms and Other Names. Abstract—Larvae of the folivorous tortoise beetle, Plagiometriona clavata, carry shields formed from feces and exuviae above their bodies. 1855. Lateral view of an adult clavate tortoise beetle, Plagiometriona clavata (Fabricius), showing conical peak. However, it does not create enough damage to have an economic effect. I just found this very small, flat bug on the wall inside my walkout basement apartment. They are difficult to … In side view, it is dome-shaped with a conical peak near the middle, behind the scutellum. Categories. Barber HS. We used an ecologically relevant predator y ant, Formica subsericea, in a bioassay to deter-mine if shields functioned as simple barriers, as previous studies indicated, or whether they were chemical defenses. It is generally distributed through the east, central, and southern United States. Spaeth F. 1899. The Cassidinae (tortoise and leaf-mining beetles) are a subfamily of the leaf beetles, or Chrysomelidae.The antennae arise close to each other and some members have the pronotal and elytral edges extended to the side and covering the legs so as to give them the common name of tortoise … The antennae are long and narrow, with the 8th segments distinctly longer than wide. We used an ecologically relevant predatory ant, Formica subsericea, in a bioassay to determine if shields functioned as simple barriers, as previous studies indicated, or whether they were chemical defenses. Plagiometriona emarcida (Boheman, 1855) and Plagiometriona forcipata (Boheman, 1855)(Coleoptera: Chrysomelidae: Cassidinae), a single species differing in larval performance and adult phenotype. Journal of Tropical Ecology, 21: 189-194. Barney, R., S. Clark, E. Riley. The Animal Diversity Web is an educational resource written largely by and for college students. Journal of the New York Entomological Society, 94: 98-114. Fattig (1948) recorded it from Atlanta, Georgia, Balsbaugh and Hays (1972) listed it from Lee, Madison, and Mobile counties, Alabama, and Wilcox (1954) reported it as common in Ohio. Catalogue des Coleopteres de la collection d'Auguste Dejean. Clavate Tortoise Beetle I've had these photos of a Clavate Tortoise Beetle, Plagiometriona clavata around since this summer and I've been meaning to post them. @MISC{Woodruff_eeny-392clavate, author = {Robert E. Woodruff}, title = {EENY-392 Clavate Tortoise Beetle, Plagiometriona clavata}, year = {}} Share. Top; Systema Eleutheratorum. active during the day, 2. lasting for one day. Journal of Natural History, 44: 891-904. The body is green, flattened, and almost entirely fringed with whitish multispiculate projections. Bulletin of the American Museum of Natural History, 305: 1-250. This material is based upon work supported by the Journal of Chemical Ecology, 25/3: 549-566. "Plagiometriona clavata" (On-line), Animal Diversity Web. Blatchley WS. Found this beetle on my potato plant. While ADW staff and contributors provide references to books and websites that we believe are reputable, we cannot necessarily endorse the contents of references beyond our control. Selected species. Deloyala clavata (Fabricius). Leaf and seed beetles of South Carolina (Coleoptera: Chrysomelidae and Orsodacnidae). Larva: The larva is a typical tortoise beetle type, but very unlike most other beetle larvae. See also Tropical savanna and grassland biome. The dorsal surface is rugose and tuberculate (no other species of United States tortoise beetle, subfamily Cassidinae, has such a surface). This […] Flinte, V., D. Windsor, L. Sekerka, M. de Macedo, R. Monteiro. having a body temperature that fluctuates with that of the immediate environment; having no mechanism or a poorly developed mechanism for regulating internal body temperature. This shield also covers the head. The elytra are tuberculate, have a post-scutellar protuberance, and the anterior elytral margins are crenulate. 1992. Or you could think of the 'arms' as club-like projections - clavata … Search in feature Michael Leasia (author), University of Michigan Biological Station, Brian Scholtens (author, editor), University of Michigan Biological Station, Angela Miner (editor), Animal Diversity Web Staff. Replicate a tortoise ’ s shape an economic effect to a particular season, reproduction that includes the. Cassididen nebst synonymischen Bemerkungen, 3 bilateral symmetry have dorsal and ventral sides, as well anterior! Evergreen leaves extensively on a larger variety of solanaceous plants, therefore becoming a pertinent agricultural pest the site taking. 11, 2006 11:29 PM unlike most other beetle larvae for several different Arthropod predators has potential to evolve to. Grassland with scattered trees or scattered clumps of trees, otherwise forest biomes can vary in... 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