Dataset Information

Transfer of the assassin bug Helonotus pallidulus Walker to the genus Heza Amyot & Serville (Hemiptera, Heteroptera, Reduviidae, Harpactorinae, Harpactorini).

ABSTRACT: Based on examination of its holotype, Helonotus pallidulus Walker, 1873 is transferred to the genus Heza Amyot & Serville, 1843 with the resulting new combination: Heza pallidula (Walker, 1873), comb. nov. (Hemiptera, Heteroptera, Reduviidae, Harpactorinae, Harpactorini). A comparison with the similar Heza ventralis Stål,1872 is provided.

SUBMITTER: Gil-Santana HR

PROVIDER: S-EPMC6718368 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Transfer of the assassin bug Helonotus pallidulus Walker to the genus Heza Amyot & Serville (Hemiptera, Heteroptera, Reduviidae, Harpactorinae, Harpactorini).

Gil-Santana Hélcio R HR Webb Michael D MD

ZooKeys 20190826

Based on examination of its holotype, Helonotus pallidulus Walker, 1873 is transferred to the genus Heza Amyot & Serville, 1843 with the resulting new combination: Heza pallidula (Walker, 1873), comb. nov. (Hemiptera, Heteroptera, Reduviidae, Harpactorinae, Harpactorini). A comparison with the similar Heza ventralis Stål,1872 is provided. ...[more]

PMID: 31528117

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Project description:A new species, Rhaphidosomapaganicum sp. nov. (Heteroptera: Reduviidae: Harpactorinae: Rhaphidosomatini), is described from the Dry Zone of Myanmar. It is the fifth species of Rhaphidosoma Amyot et Serville, 1843, known from the Oriental Region, and the first record of the genus for Myanmar and Indochina. The structure of the external and internal terminalia of the male and female is described and illustrated in detail. The completely inflated endosoma is described for the first time in reduviids. The complex structure of the ductus seminis is shown; it terminates with a voluminous seminal chamber which opens with a wide secondary gonopore and may be a place where spermatophores are formed. The new species is compared with all congeners from the Oriental Region and Western Asia. It is characterised by the absence of distinct tubercles on the abdominal tergites of the male, the presence only two long tubercles and small rounded ones on the abdominal tergites VII and VI, respectively, in the female, the presence of short fore wing vestiges which are completely hidden under longer fore wing vestiges, and other characters. In addition to the morphological description, an account is given of the male karyotype and the structure of testes of Rh.paganicum sp. nov. and another species of Harpactorinae, Polididusarmatissimus Stål, 1859 (tribe Harpactorini). It was found that Rh.paganicum sp. nov. has a karyotype comprising 12 pairs of autosomes and a multiple sex chromosome system (2n♂=24A+X1X2X3Y), whereas P.armatissimus has a karyotype comprising five pairs of autosomes and a simple sex chromosome system (2n♂=10A+XY). The males of these species were found to have seven and nine follicles per testis, respectively. FISH mapping of 18S ribosomal DNA (major rDNA) revealed hybridisation signals on two of the four sex chromosomes (Y and one of the Xs) in Rh.paganicum sp. nov. and on the largest pair of autosomes in P.armatissimus. The presence of the canonical "insect" (TTAGG) n telomeric repeat was detected in the chromosomes of both species. This is the first application of FISH in the tribe Raphidosomatini and in the genus Polididus Stål, 1858.

Project description:The New World assassin bug genus Zelus Fabricius, 1803 (Insecta: Hemiptera: Heteroptera: Reduviidae: Harpactorinae: Harpactorini) is revised based on more than 10,000 specimens. Seventy-one species are recognized and twenty-four described as new: Zelus aithaleos sp. n., Zelus amblycephalus sp. n., Zelus antiguensis sp. n., Zelus auralanus sp. n., Zelus bahiaensis sp. n., Zelus banksi sp. n., Zelus casii sp. n., Zelus championi sp. n., Zelus cordazulus sp. n., Zelus fuliginatus sp. n., Zelus gilboventris sp. n., Zelus gracilipes sp. n., Zelus grandoculus sp. n., Zelus kartaboides sp. n., Zelus lewisi sp. n., Zelus panamensis sp. n., Zelus paracephalus sp. n., Zelus rosulentus sp. n., Zelus russulumus sp. n., Zelus spatulosus sp. n., Zelus truxali sp. n., Zelus umbraculoides sp. n., Zelus umbraculus sp. n., and Zelus xouthos sp. n. Five species, Zelus araneiformis Haviland, 1931, Zelus gradarius Bergroth, 1905, Zelus modestus (Stål, 1862), Zelus subfasciatus Stål, 1860 and Zelus vittaticeps Stål, 1866, are removed from Zelus and placed incertae sedis within Harpactorini. Nine new synonyms are recognized (senior synonym in parentheses): Zelus atripes Champion, 1898 syn. nov. (=Zelus conjungens [Stål, 1860]), Zelus dispar Fabricius, 1803 syn. nov. (=Zelus pedestris Fabricius, 1803), Zelus formosus Haviland, 1931 syn. nov. (=Zelus laticornis Herrich-Schaeffer, 1853), Zelus obscuridorsis (Stål, 1860) syn. nov. (=Zelus pedestris), Zelus pallidinervus Haviland, 1931 syn. nov. (=Zelus kartabensis Haviland, 1931), Zelus personatus Berg, 1879 syn. nov. (=Zelus versicolor Herrich-Schaeffer, 1848), Zelus trimaculatus Champion, 1898 syn. nov. (=Zelus means Fabricius, 1803), Zelus trimaculicollis (Stål, 1855) syn. nov. (=Zelus means), and Zelus tristis Haviland, 1931 syn. nov. (=Zelus laticornis). Zelus conjungens (Stål, 1860) stat. rev. Is resurrected from junior synonymy with zealous armillatus (Lepeletier & Seville, 1825). Zelus ambulans Stål, 1862 stat. rev. and Zelus cognatus (Costa, 1862) stat. rev. are resurrected from synonymy with Zelus exsanguis Stål, 1862. Iquitozelus Bérenger syn. nov. is synonymized with Zelus and its only species transferred to Zelus, hence resulting in a new combination, Zelus couturieri (Bérenger, 2003) comb. nov. Lectotypes, paralectotypes or neotypes are designated for a number of species. Habitus images, illustrations of male genitalia, distribution maps and measurements are provided for nearly all species. The three previously recognized subgenera of Zelus are found to be based upon superficial characters and these divisions do not reflect natural groupings. Using sets of characters, especially those of the male genitalia, eleven species groups are proposed. It is also hypothesized that Zelus is closely related to three other New World genera: Atopozelus Elkins, Ischnoclopius Stål and an undescribed genus "Hartzelus" [manuscript name]. Zelus is endemic to the New World, occurring naturally in the Caribbean and all but one of the continental countries, with introductions to Pacific islands, Europe and Chile.

Dataset Information

Transfer of the assassin bug Helonotus pallidulus Walker to the genus Heza Amyot & Serville (Hemiptera, Heteroptera, Reduviidae, Harpactorinae, Harpactorini).

Publications

Transfer of the assassin bug <i>Helonotus pallidulus</i> Walker to the genus <i>Heza</i> Amyot & Serville (Hemiptera, Heteroptera, Reduviidae, Harpactorinae, Harpactorini).

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