New Neotropical Saicinae: new species of Buninotus Maldonado Capriles, Caprilesia Gil-Santana, Marques &amp; Costa, and Pseudosaica Blinn (Hemiptera: Reduviidae)

Castro‐Huertas, Valentina; Forero, Dimitri; Melo, María Cecilia

doi:10.1080/00379271.2022.2147864

Cited by 4 publications

(4 citation statements)

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“…Saicinae (Figure 1a,d,e,f, 25 genera, ~155 species [Castro‐Huertas et al, 2023; Gil‐Santana et al, 2006; Gil‐Santana et al, 2020; Maldonado, 1990; Melo & Coscarón, 2005; Putshkov & Putshkov, 1985; Weirauch & Forero, 2007]) were traditionally diagnosed from Emesinae by the shorter forecoxa that is at most three times as long as wide, and the second visible labial segment often expanded and basally bulbous. Similar to Emesinae, Saicinae also occur in all biogeographic regions, with diversity highest in the Neotropics.…”

Section: Introductionmentioning

confidence: 99%

Untangling the assassin's web: Phylogeny and classification of the spider‐associated Emesine complex (Hemiptera: Reduviidae)

Standring

Forero

Weirauch

2023

Systematic Entomology

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Web‐building spiders are formidable predators, yet assassin bugs in the Emesine Complex (Hemiptera: Reduviidae: Emesinae, Saicinae, and Visayanocorinae) prey on spiders. The Emesine Complex comprises >1000 species and these web‐associated predatory strategies may have driven their diversification. However, lack of natural history data and a robust phylogenetic framework currently preclude tests of this hypothesis. We combine Sanger (207 taxa, 3865 bp) and high‐throughput sequencing data (15 taxa, 381 loci) to generate the first taxon‐ and data‐rich phylogeny for this group. We discover rampant paraphyly among subfamilies and tribes, necessitating revisions to the classification. We use ancestral character state reconstructions for 40 morphological characters to identify diagnostic features for a revised classification. Our new classification treats Saicinae Stål and Visayanocorinae Miller as junior synonyms of Emesinae Amyot and Serville, synonymizes the emesine tribes Ploiariolini Van Duzee and Metapterini Stål with Emesini Amyot and Serville, and recognises six tribes within Emesinae (Collartidini Wygodzinsky, Emesini, Leistarchini Stål, Oncerotrachelini trib.n., Saicini Stål stat.n., and Visayanocorini Miller stat.n.). We show that a pretarsal structure putatively involved in web‐associated behaviours evolved in the last common ancestor of Emesini, the most species‐rich clade within Emesinae, suggesting that web‐associations could be widespread in Emesinae.

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Section: Introductionmentioning

confidence: 99%

Untangling the assassin's web: Phylogeny and classification of the spider‐associated Emesine complex (Hemiptera: Reduviidae)

Standring

Forero

Weirauch

2023

Systematic Entomology

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“…However, the asymmetric condition is a phenomenon not well understood, because basic information on the genital morphology, coupling and copula mechanisms, mating behavior, physiology, genetics, and ecology of most of the groups are unknown or insufficient for a multifactorial approach (Huber et al, 2007; Huber, 2010). Saicinae exhibits mostly symmetric genitalic structures, but asymmetric male genitalia have been recorded in genera such as Gallobelgicus Distant, 1906, Polytoxus Spinola, 1840, and recently in Pseudosaica Blinn, 1990 (Ishikawa & Yano, 1999, 2002; Rédei & Tsai, 2009, 2010; Castro‐Huertas et al, 2023). This condition is visible on three regions of the phallus: the dorsal and ventral phallothecal sclerites, and the endosomal sclerites; and they could be the three of them asymmetric or only one (usually the ventral phallotecal sclerite) (Figure 1).…”

Section: Introductionmentioning

confidence: 99%

“…Saicinae comprises 25 genera and 159 species worldwide (Castro‐Huertas et al, 2023; Gil‐Santana & Marques, 2005; Maldonado Capriles, 1990; Melo & Coscarón, 2005; Putshkov & Putshkov, 1985). Eleven genera are known from the Neotropical Region (Gil‐Santana et al, 2015, 2020; Gil‐Santana, 2011) with the remaining taxa distributed in the Afrotropical, Australian and Oriental regions (Rédei & Tsai, 2009, 2010; Villiers, 1969, 1979).…”

Section: Introductionmentioning

confidence: 99%

“…This condition is visible on three regions of the phallus: the dorsal and ventral phallothecal sclerites, and the endosomal sclerites; and they could be the three of them asymmetric or only one (usually the ventral phallotecal sclerite) (Figure 1). Saicinae comprises 25 genera and 159 species worldwide (Castro-Huertas et al, 2023;Gil-Santana & Marques, 2005;Maldonado Capriles, 1990;Melo & Coscarón, 2005;Putshkov & Putshkov, 1985). Eleven genera are known from the Neotropical Region (Gil-Santana et al, 2015Gil-Santana, 2011) with the remaining taxa distributed in the Afrotropical, Australian and Oriental regions (Rédei & Tsai, 2009, 2010Villiers, 1969Villiers, , 1979.…”

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Outside the pattern: Evolution of the genital asymmetry in Saicinae (Hemiptera: Heteroptera: Reduviidae)

Castro‐Huertas

Melo

2023

Journal of Morphology

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Despite genital structures in insects being consistently important as systematic and taxonomy evidence, within assassin bugs (Heteroptera, Reduviidae) at least, the male and female genitalic structures of several subfamilies are poorly or totally unknown. The genital structure is mostly symmetric within Saicinae genera, but male genital asymmetry has been recorded in Gallobelgicus, Polytoxus, and recently Pseudosaica. The subfamily has been considered as closely related to Emesinae and Visayanocorinae but this hypothesis has never been tested using a comprehensive taxa sampling, being a constraint to test morphological traits changes or exploring characters' evolution hypotheses. Here, we compiled a morphological data set of 170 characters that includes external morphological characters and genitalia of both sexes of Saicinae which was analyzed cladistically including 55 terminals, comprising 16 genera (64% of the generic diversity), 43 species of Saicinae and 12 outgroups. Saicinae was recovered as polyphyletic, Saicireta correntina is recovered as sister‐species of Empicoris armatus + Collartida (Emesinae), Oncerotrachelus, Carayonia (Visayanocorinae), and the Clade Saicinae sensu stricto. Carayonia orientalis is recovered as sister‐species of Saicinae sensu stricto. Ancestral state reconstruction of symmetry of the male genitalia shows an ancestor with symmetric male genitalia, two independent emergences of asymmetrical male genitalia within Saicinae sensu stricto, and the asymmetrical endosomal sclerites appearing before the other asymmetric traits.

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Two New Species of Tagalis Stål (Heteroptera: Reduviidae: Emesinae: Saicini) from Panama and Brazil, with an Analysis of the Male Genitalia Morphology

Castro-Huertas,

Melo

2024

JIHS

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Tagalis matamorosae n. species and Tagalis pagu n. species are described from specimens collected in Barro Colorado (Panama) and Rio Grande do Sul (Brazil), respectively. Among the species of Tagalis, both new species have coloration patterns and genital structure particularly different. Tagalis matamorosae n. species is the unique species with a gonoplac composed by a pair of sclerites, and T. pagu n. species shows the posteromedial process of pygophore with a curvature exclusive within the genus. Digital images of external morphological characters and of the genitalia are provided. To facilitate the identification of the new species, an updated key to the species of Tagalis is presented. Male genital structures along the genus and its taxonomic and phylogenetic implications are discussed.

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New Neotropical Saicinae: new species of Buninotus Maldonado Capriles, Caprilesia Gil-Santana, Marques & Costa, and Pseudosaica Blinn (Hemiptera: Reduviidae)

Cited by 4 publications

References 20 publications

Untangling the assassin's web: Phylogeny and classification of the spider‐associated Emesine complex (Hemiptera: Reduviidae)

Untangling the assassin's web: Phylogeny and classification of the spider‐associated Emesine complex (Hemiptera: Reduviidae)

Outside the pattern: Evolution of the genital asymmetry in Saicinae (Hemiptera: Heteroptera: Reduviidae)

Two New Species of Tagalis Stål (Heteroptera: Reduviidae: Emesinae: Saicini) from Panama and Brazil, with an Analysis of the Male Genitalia Morphology

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