Hemiptera en casa

Arias, B. Barreto, N; E. Granja; R. Pacheco y D.

Herbivore natural enemies base their foraging decision on information cues from different trophic levels but mainly from plant odors. However, the second trophic level i. We have evaluated the role of the aggregation pheromone from Frankliniella occidentalis Pergande as a potential kairomone for its natural enemy, the predatory bug Orius laevigatus Fieber. For this purpose, we have analyzed the response of O. These compounds have been offered to O. None of the compounds attracted adults or nymphs when they were individually supplied.

Hemiptera en casa

The Cercopidae family constitute the largest group of xylem sap-sucking insects. Several species are important pests of sugar cane and grasses. In America there are species and 65 subspecies in 60 genera. In Mexico, the total number of species is unknown and there is no inventory of specimens in the collections or taxonomic keys. In the present research, we study entomological collections to trace the distribution of genera and species and constructed taxonomic keys for their identification, based on external morphology and male genitalia. The Cercopidae of the country included 3 recognized tribes, Neaenini Fennah, , Ischnorhinini Schmidt, and Tomaspidini Schmidt, , in addition to the recently proposed Microsarganini Hamilton, We reported 39 described species, 1 subspecies and 1 undescribed, belonging to 10 genera. The most diverse genera were Ocoaxo Fennah with 16 species and Prosapia Fennah with 8. This is the first complete compilation of the Cercopidae recorded for Mexico. Hemipterans classified within Cercopidae Leach, are commonly called spittlebugs, because their nymphal stages produce a frothy covering that provides it a microhabitat and protection from predators Rakitov, ; Tonelli et al. They are adapted to feed from a great diversity of plant hosts, such as herbaceous monocots, herbaceous dicots, flowering trees, shrubs, and conifers Castro et al. The spectrum of feeding structures is also wide, including leaves, branches, crowns, and exposed roots. Among hosts, spittlebugs show preferences for nitrogen-fixing plants Thompson,

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Most of the diversification of the Hemiptera started in the late Paleozoic Upper Permian , and the major lineages diverged early in the Mesozoic Triassic. Regrettably, some key fossils come from beds of uncertain age. Well-preserved, complete fossils are scarce—for example Karabasia evansi family Karabasiidae, Upper Jurassic? For the most part only isolated structures have been reported, and many of them have not been assigned with certainty to groupings below the family. Certain very-well-preserved specimens are known from amber, such as Metrocephala anderseni family Hydrometridae and Succineogerris larssoni family Gerridae from Baltic amber Eocene , and Brachymetroides atra family Gerridae and Halovelia electrodominica family Veliidae from Dominican amber Oligocene-Miocene. Several schemes of phylogenetic relationships among Hemiptera have been proposed, based on varying criteria. In the last decades of the twentieth century, they succeeded at short intervals, with remarkable discrepancies among them, and the proposed schemes are in steady flux.

Hemiptera en casa

The hemiptera are divided into four smaller groups based on their physical features. These groups include aphids, mealybugs, and scale insects; cicadas and hoppers; moss bugs; and true bugs. The relationships of whiteflies are uncertain, and they are sometimes included with aphids or hoppers. Hemipterans are extremely variable in form, ranging from long, slender, and sticklike, to short and round, to very flat. The bodies of female scale insects are completely covered by a waxy shield. They don't even look like insects. Still other species are partially or completely covered in protective secretions of white wax that resemble dust, cotton, or feathers.

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Grupo Hemipterus: Cimex hemipterus Fabricius, Friedlander UCB. Sphenorhina lineata Walker, ; Nast, ; Metcalf, ; Fennah, Length 8. Likewise, we thank Luis O. Oeciacus vicarius Horvath. Burrows, M. Pronotum and scutellum similar to O. Arias, R. Comprimento igual ou superior a 1,3 mm Discription of two new species of Prosapia Hemiptera: Cercopidae from the Nearctic and Neotropics, with a key to species of the P. Cisneros H. Wld Hlth Org. Inventario Estatal Forestal y de Suelos-Sinaloa, In the present research, we study entomological collections to trace the distribution of genera and species and constructed taxonomic keys for their identification, based on external morphology and male genitalia.

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Heteroptera: Pentatomidae. For this purpose, we have analyzed the response of O. Length 5. Ortega y C. On the behaviour and sensory physiology of the bedbug. Poaceae: Pennisetum clandestinum Hochst. Other material. Microondas, EL Salto, P. True bugs of the World Hemiptera: Heteroptera. Podem ser longas e finas, como em Leptocimex e Primicimex, onde o par posterior chega a ter comprimento equivalente ao do corpo.