Mormidea lugens is a species of stink bug in the family Pentatomidae found in the Caribbean, Central America, and Eastern North America.[1][2][3][4][5][6] In Illinois, adults have been observed emerging from overwintering sites in late April, and continue to be observed until early November, and appear to be bivoltine in this area.[6] Eggs are approximately 0.7 millimetres (0.028 in) in diameter, pale yellow, and laid in small clusters of 6 to 11 eggs (mean = 9.6).[6] Adults are bronze in color, with a white-yellow border around the scutellum,[1] and are 5.0–7.2 millimetres (0.20–0.28 in) in length.[7] In laboratory conditions, at approximately 24 °C (75 °F), development from eggs to adults has been documented to take between 39 and 50 days, and appears to be affected by the species of host plant.[6]Mormidea lugens has been documented to feed on timothy, sedges (including Carex shortiana, C. amphibola, C. normalis), as well as deer-tongue grass (Panicum clandestinum), and Bosc's panic-grass (P. boscii). It has been collected from pale sedge (C. blanda) and wide-leaved spiderwort (Tradescantia subaspera) but has not observed feeding on these species, and deer-tongue grass appears to be an insufficient food source for development.[6]
^McPherson, J.E. (1982). The Pentatomoidea (Hemiptera) of Northeastern North America. Southern Illinois University Press. ISBN0-8093-1040-6.
Further reading
Arnett, Ross H. Jr. (2000). American Insects: A Handbook of the Insects of America North of Mexico. Vol. 2nd Edition. CRC Press. ISBN0-8493-0212-9.
Aukema, Berend; Rieger, Christian, eds. (2006). Catalogue of the Heteroptera of the Palaearctic Region, vol. 5: Pentatomomorpha II. The Netherlands Entomological Society. ISBN9071912280.
Blatchley, W.S. (1926). Heteroptera, or true bugs of eastern North America, with especial reference to the faunas of Indiana and Florida. Nature Publishing. doi:10.5962/bhl.title.6871.
Henry, Thomas J.; Froeschner, Richard C., eds. (1988). Catalog of the Heteroptera, or True Bugs, of Canada and the Continental United States. E. J. Brill. ISBN0-916846-44-X.
McPherson, J.E. (1982). The Pentatomoidea (Hemiptera) of Northeastern North America. Southern Illinois University Press.
Paiero, S.M.; Marshall, S.A.; McPherson, J.E.; Ma, M.S. "Stink bugs (Pentatomidae) and parent bugs (Acanthosomatidae) of Ontario and adjacent areas...". Canadian Journal of Arthropod Identification. 24: 1–183.
Rider, David A. (2012). "The Heteroptera (Hemiptera) of North Dakota I: Pentatomorpha: Pentatomoidea". The Great Lakes Entomologist. 45 (3–4): 312–380. ISSN0090-0222.
Walker, Francis (1871). Catalogue of the Specimens of Hemiptera Heteroptera in the Collection of the British Museum, pt. IV. British Museum. doi:10.5962/bhl.title.9254.
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