Comparative morphology of selected foretibial traits of Asopinae (Hemiptera: Heteroptera: Pentatomidae)

Brugnera, Ricardo; Barão, Kim Ribeiro; Roell, Talita; Ferrari, Augusto

doi:10.1016/j.jcz.2018.10.011

Cited by 3 publications

(4 citation statements)

References 14 publications

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“…Taking into consideration the species of Asopinae whose morphology is known, the egg of Oplomus catena has similar characteristics with O. cruentus, Stiretrus decastigmus Herrich-Schäffer, 1838, and of S. anchorago Fabricius, 1775 [as S. fimbriatus (Germar)] (Oetting & Yonke 1971, Saini 1990, Richman & Mead 2001. According to unpublished phylogenetic hypotheses (Gapon 2008, Roell 2019, Oplomus is the sister group of the Stiretrus + Discocera clade. The similarities Fig.…”

Section: Morphology Of Immaturementioning

confidence: 99%

“…However, the influences of remarkable features like body coloration and some body structures (e.g. foretibial apparatus and foretibial expansion) in the predation are yet poorly understood (Barão et al 2013, Brugnera et al 2019. In general, the knowledge about the biology of asopines is very scarce and focused only in species with economic importance.…”

Section: Morphology Of Immaturementioning

confidence: 99%

“…Oplomus Spinola, 1837 is a genus of predatory stink bugs, composed of 12 species distributed through the American Continent from the USA to Argentina and remarkable by the bright and aposematic colorations and intraspecific color variation (Thomas 1992). Species of Oplomus can be recognized by the frenal margin of scutellum shorter than the postfrenal and presence of foretibial expansions and abdominal glandular patches in males (Thomas 1992, Brugnera et al 2019.…”

Section: Introductionmentioning

confidence: 99%

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Morphology of Immature Stages, Chromatic Polymorphism of Adults and Natural History of Oplomus catena (Heteroptera: Pentatomidae: Asopinae)

2019

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The predatory stink bugs are well known by their behavior, but the knowledge of the immature morphology and their natural history are scarce. Studies on predatory stink bugs are important to better understand their evolution and their use as biological controllers. Here, we describe the morphology of egg and the five nymphal instars of Oplomus catena (Drury, 1782), using optical and scanning electron microscopy. In general, O. catena immatures are very distinctive from other Asopinae species already studied. The egg is black, with short aero-micropylar processes and similar to those described for Stiretrus species. The nymphs can be diagnosed by the abdominal plates very large and bright blue. The color polymorphism of adults is fully illustrated, and four color patterns are proposed. The natural history of the species is described based on field and laboratory observations. The known prey of the species is reviewed and new preys are reported. The morphological and biological traits here described are discussed in order to better understand the biological role of predatory stink bugs.

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Section: Morphology Of Immaturementioning

confidence: 99%

Section: Morphology Of Immaturementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Morphology of Immature Stages, Chromatic Polymorphism of Adults and Natural History of Oplomus catena (Heteroptera: Pentatomidae: Asopinae)

2019

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“…Other structures may also be found on the tibia of Asopinae (Pentatomidae). Foretibial expansion with a channel on the ventral surface and the foretibial apparatus have been reported, but the function of both structures is unknown (Brugnera et al, 2018). In summary, paraneopterans do not use the mouthparts for antennal grooming, which is done by the first pair of legs.…”

Section: Grooming In Insectsmentioning

confidence: 98%

Comparative morphology of the epiphyses of Dilophonotini Burmeister, 1878 and Philampelini Burmeister, 1878 (Lepidoptera: Sphingidae)

Alcalde¹

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Hawkmoths occupy all regions of the globe, except Antarctica and Greenland. The family has 210 genera and about 1500 species, with about a third of the taxa registered for the Neotropical region. In Brazil, 33 genera and 196 species are known. They are classified into three subfamilies, with Macroglossinae being the most diverse lineage. They play an key in pollination. In this process, sphingids usually have contact with pollen grains in various parts of the body, particularly in the antennae. To clean them, these moths use the epiphyses that are in the foretibiae. In addition to being important for the biology of lepidopterans, the epiphysis also represents one of the synapomorphies that support the monophyly of these insects. However, few studies detail this structure morphologically. In this study, we seek to understand the possible variations in the epiphyses of representatives of Dilophonotini and Philampelini aiming to contribute to the discussions on the structure morphology, sexual dimorphism and the relationship with other body structures. For this, 19 genera and 59 species of both sexes (564 individuals in total) were studied. The extracted legs were placed in 10% KOH and taken to a water bath for four minutes to remove the scales. With the epiphyses cleaned, all individuals were photographed using a stereomicroscope and SEM to perform morphological descriptions of the epiphyses and measurements; after that, an allometric regression analysis was performed with other body structures (length and width of the epiphyses, position, length of the tibiae and length of the antennae); finally, an analysis of geometric morphometrics was conducted. As results, a new terminology was proposed for distinct parts of the epiphysis, 22 morphological characters were established from the epiphyses, greater morphological variation was found in the genera and subtribe levels, variations were found between males and females, a positive allometry was observed between the size of the epiphyses and the size of the antennae, and likewise, between the position of the epiphyses and the length of the tibiae. Morphometric analysis showed positive allometry, a homogeneous pattern with small variations between some genera. It was demonstrated that closely related genera have similar epiphyses, and others do not. This study is an important contribution to the knowledge of the Sphingidae morphology, with the proposal of new phenotypic characters for the group. In addition to being a detailed study of the epiphysis, a structure that has been historically neglected, it highlights the need to expand the comparative analysis to other groups of Lepidoptera for a better understanding of the importance of using the epiphysis morphology in the taxonomy of these insects, as well as for a better understanding of the variation and evolution of the structure and its associated antennal grooming behavior.

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Revision of Heteroscelis Latreille, 1829 (Heteroptera: Pentatomidae: Asopinae) with the description of a new species from Colombia

SAMPAIO

Roell

Campos

2023

Zootaxa

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The Asopinae comprises about 300 species and 63 genera of predatory stinkbugs, of which around 100 species and 23 genera occur in the Neotropical region. The species of the Neotropical genus Heteroscelis Latreille, 1829 are easily recognized by the small size, vivid and often iridescent colors, the elongated head, and the foretibial foliaceous expansions. In this work we provide a taxonomic revision of Heteroscelis. The genus and its four known species are redescribed, and one new species from Colombia, Heteroscelis vandembergi Sampaio & Campos, sp.nov., is proposed. A distribution map, and a key to the species of Heteroscelis are presented.

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Comparative morphology of selected foretibial traits of Asopinae (Hemiptera: Heteroptera: Pentatomidae)

Cited by 3 publications

References 14 publications

Morphology of Immature Stages, Chromatic Polymorphism of Adults and Natural History of Oplomus catena (Heteroptera: Pentatomidae: Asopinae)

Morphology of Immature Stages, Chromatic Polymorphism of Adults and Natural History of Oplomus catena (Heteroptera: Pentatomidae: Asopinae)

Comparative morphology of the epiphyses of Dilophonotini Burmeister, 1878 and Philampelini Burmeister, 1878 (Lepidoptera: Sphingidae)

Revision of Heteroscelis Latreille, 1829 (Heteroptera: Pentatomidae: Asopinae) with the description of a new species from Colombia

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