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New records of plants fed upon by the uncommon Heteropterans Cyrtocoris egeris Packauskas & Schaefer and C. trigonus (Germar) (Hemiptera: Cyrtocoridae) in South America
Schaefer, Carl W; Panizzi, Antônio R; Coscarón, Maria C.
  • Schaefer, Carl W; University of Connecticut. Department Ecology and Evolutionary Biology. Connecticut. US
  • Panizzi, Antônio R; Empresa Brasileira de Pesquisa Agropecuária. Centro Nacional de Pesquisa de Soja. Londrina. BR
  • Coscarón, Maria C; Facultad de Ciencias Naturales. Plata. AR
Neotrop. entomol ; 34(1): 127-129, Jan.-Feb. 2005. ilus
Article in English | LILACS | ID: lil-451505
ABSTRACT
During March 2000, nymphs and adults of the cyrtocorid bugs Cyrtocoris egeris Packauskas & Schaefer and C. trigonus (Germar) were observed on two different plants at two different localities. In Brazil (Londrina, Paraná State) adult C. trigonus were found feeding on stems of the weed plant arrow leaf sida, Sida rhombifolia L. (Malvaceae). Despite egg deposition in the laboratory, nymphs did not develop on this plant. In Argentina (Reconquista, Santa Fé Province), nymphs and adults of C. egeris were observed feeding on immature soybean [Glycine max (L.) Merrill] pods. Under laboratory conditions, nymphs of neither species could be reared beyond the third instar.
RESUMO
Durante o mês de março de 2000, foram coletados adultos dos percevejos cirtocorídeos Cyrtocoris egeris Packauskas & Schaefer e C. trigonus (Germar) em duas espécies de plantas e em dois locais distintos. No Brasil (Londrina, PR) adultos de C. trigonus foram observados alimentando-se em hastes de guanxuma, Sida rhombifolia L. (Malvaceae). Apesar de as fêmeas terem ovipositado em laboratório, as ninfas não sobreviveram nesse alimento. Na Argentina (Reconquista, Província de Santa ), adultos e ninfas de C. egeris foram observados alimentando-se em vagens imaturas de soja, Glycine max (L.) Merrill. Nas condições de laboratório utilizadas, as ninfas não conseguiram se desenvolver além do terceiro instar.
Subject(s)
Full text: Available Index: LILACS (Americas) Main subject: Oviposition / Hemiptera Language: English Journal: Neotrop. entomol Journal subject: Biology / ZOOLOGIA Year: 2005 Type: Article Affiliation country: Argentina / Brazil / United States Institution/Affiliation country: Empresa Brasileira de Pesquisa Agropecuária/BR / Facultad de Ciencias Naturales/AR / University of Connecticut/US

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Full text: Available Index: LILACS (Americas) Main subject: Oviposition / Hemiptera Language: English Journal: Neotrop. entomol Journal subject: Biology / ZOOLOGIA Year: 2005 Type: Article Affiliation country: Argentina / Brazil / United States Institution/Affiliation country: Empresa Brasileira de Pesquisa Agropecuária/BR / Facultad de Ciencias Naturales/AR / University of Connecticut/US