Abstract

HAMITY, Verónica C; CONTRERAS, Eugenia F  and  ALTAMIRANO, Javier. Hemiptera diversity associated with trees from urban environments in the province of Jujuy, Argentina. Ecol. austral [online]. 2020, vol.30, n.1, pp.01-11. ISSN 1667-782X.

The Hemiptera of urban environments in Jujuy are little known and quite unexplored. The objective of this work was to analyze and characterize the Hemiptera diversity in trees of public roads in Jujuy, and to provide data about their bioecology. The study was conducted in three locations during a dry and a wet season; two environments were considered for each location: urban and suburban. In each site, three trees of Handroantus impetiginosus, Enterolobium contortisiliquum and Citrus aurantium were sampled. The foliage was aspirated and 10 branches/tree were randomly extracted. We identified the hemipterans and compared the abundance, richness, diversity, composition and dominance of each suborder according to the tree species, localities, seasonality and degree of urbanization. We collected 4339 individuals belonging to the suborders Auchenorrhyncha (8 families, 30 morphospecies, 1044 individuals), Heteroptera (8 families, 20 morphospecies, 196 individuals) and Sternorrhyncha (9 families, 33 morphospecies, 3099 individuals). For the first time in Jujuy, Rhabdotalebra albinoi and Rhabdotalebra flava were recorded on E. contortisiliquum, and Rhabdotalebra flava and the genus Tingis on H. impetiginosus. San Salvador de Jujuy was the location with the highest richness (56 morphospecies, 28 exclusive), in contrast to El Carmen (39 morphospecies, 13 exclusive) and San Pedro (34 morphospecies, 11 exclusive). We recorded Heteroptera phytophages, predators and species with mixed diet. Considering locality and tree species, Sternorrhyncha was the suborder with highest richness and abundance, whereas seasonality did not affect it. The other two suborders were not affected by seasonality. Hemiptera species shared by the three tree species were Dikrella sp., Empoasca sp.2, Aleyrodidae sp.1 and Pseudococcidae sp.1. The dominant species in lapacho were Rabdotalebra flava, Rabdotalebra sp.2, Tingis sp.1 and Ceroplastes sp.1; in orange, Lephidosaphes beckii, Aphididae sp.1 and Aonidiella aurantii; in pacará, Psyllidae sp.2, Aphididae sp.1 and Empoasca sp.2.

Keywords : Bioecological; Auchenorrhyncha; Sternorrhyncha; Heteroptera; Lapacho; Orange tree; Pacará; Ppublic woodland.

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