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A new species of Sogatella (Hemiptera: Delphacidae) from temperate Argentina Rev. Bras. entomol.
Mariani,Roxana; Marino de Remes Lenicov,Ana María.
ABSTRACT A new species from Argentina, Sogatella unidentata sp. nov. (Hemiptera: Delphacidae), is described and illustrated as belonging to the Sogatella furcifera group. The main distinctive characteristics are tegmen coloration, shape of aedeagus and number and dispositions of its teeth, and shape of parameres in males; length of the ovipositor, and shape of the gonapophysis IX in females. A key is included to facilitate the comparison of the new species with the closely allied. Furthermore, information on host plants and geographical distribution is provided. This is the southernmost record in the distribution of the S. furcifera group.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Distribution; Fulgoromorpha; Host plant; Systematics; Taxonomy.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262018000100077
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A new Neotropical species of Megamelus and the reassignment of Stenocranus maculipes (Hemiptera: Delphacidae) Rev. Soc. Entomol. Argent.
Mariani,Roxana; Sosa,Alejandro J.; de Remes Lenicov,Ana M. M..
We report on two species of Delphacidae from Argentine wetlands, Megamelus nigrifasciatus Mariani & Remes Lenicov sp. nov. and Megamelus maculipes (Berg) comb. nov. The first species was collected from Eryngium sp. (Apiales: Apiaceae) and was described from the brachypters of both sexes. The second one, Stenocranus maculipes (Berg, 1879) collected from Echinodorus grandiflorum (Alismataceae), is proposed as Megamelus maculipes comb.nov. The female macropter holotype is redescribed and the male and female brachypters are described for the first time. Geographic distribution and biological data of both species are reported. The genus Eryngium is cited for the first time as host plant for the genus Megamelus. Additionally, a key is provided to...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Megamelus nigrifasciatus; Megamelus maculipes; Apiaceae; Alismataceae; South America.
Ano: 2013 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0373-56802013000200005
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Megamelus bellicus (Hemiptera: Delphacidae): immature stages and biology Rev. Soc. Entomol. Argent.
Mariani,Roxana; Sosa,Alejandro; Marino de Remes Lenicov,Ana María.
The immature stages of Megamelus bellicus Remes Lenicov & Sosa (Hemiptera: Delphacidae) are described, keyed and illustrated. The description of each stage was based on 24-h hatched nymphs from the laboratory colony. The main characters that distinguish the various stages are: body size, color, number of tarsomeres, espinulation of the metatibia and number of teeth on the spur; presence of sensoria on antennal pedicel. This insect was reared on pieces of water hyacinth, Eichhornia crassipes (Martius) Solms Laubach. Biological data based on lab and field observations show that M. bellicus carries out its biological cycle successfully on Pontederiaceae. One to nine eggs per scar are laid deeply into the aerenquima of the petiole, being most frequent...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Megamelus bellicus; Pontederiaceae; Immature stages; Morphology; Biology; Key.
Ano: 2007 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0373-56802007000200021
Registros recuperados: 3
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