Taxonomy and phylogeny of the Gondwanan moss bugs or Peloridiidae (Hemiptera, Coleorrhyncha)

Burckhardt, Daniel

doi:10.1002/mmnd.200900019

Cited by 55 publications

(60 citation statements)

References 21 publications

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“…The phylogenetic relationships of peloridiids within Hemiptera, the largest nonholometabolan insect assemblage, have been a matter of contentious debates for a long time. In the past, they have been variously assigned to Heteroptera or Homoptera but today, the peloridiids are generally put to their own suborder Coleorrhyncha and are commonly considered as the sister group to the suborder Heteroptera (Wootton 1965, Schlee 1969, Wheeler et al 1993, Campbell et al 1995, Ouvrard et al 2000, Burckhardt 2009, Cryan and Urban 2012), whereas there is also some support for other opinions (Cobben 1978, Popov and Shcherbakov 1996, Cui et al 2013). …”

Section: Introductionmentioning

confidence: 99%

First evidence for (TTAGG)n telomeric sequence and sex chromosome post-reduction in Coleorrhyncha (Insecta, Hemiptera)

Kuznetsova¹,

Grozeva²,

Hartung³

et al. 2015

CCG

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Telomeric repeats are general and significant structures of eukaryotic chromosomes. However, nothing is known about the molecular structure of telomeres in the enigmatic hemipteran suborder Coleorrhyncha (moss bugs) commonly considered as the sister group to the suborder Heteroptera (true bugs). The true bugs are known to differ from the rest of the Hemiptera in that they display an inverted sequence of sex chromosome divisions in male meiosis, the so-called sex chromosome post-reduction. To date, there has been no information about meiosis in Coleorrhyncha. Here we report a cytogenetic observation of Peloridium pomponorum, a representative of the single extant coleorrhynchan family Peloridiidae, using the standard chromosome staining and fluorescence in situ hybridization (FISH) with a (TTAGG)n telomeric probe. We show that Peloridium pomponorum displays 2n = 31 (30A + X) in males, the classical insect (TTAGG)n telomere organization and sex chromosome post-reduction during spermatocyte meiosis. The plesiomorphic insect-type (TTAGG)n telomeric sequence is suggested to be preserved in Coleorrhyncha and in a basal heteropteran infraorder Nepomorpha, but absent (lost) in the advanced heteropteran lineages Cimicomorpha and Pentatomomorpha. The telomere structure in other true bug infraorders is currently unknown. We consider here the inverted sequence of sex chromosome divisions as a synapomorphy of the group Coleorrhyncha + Heteroptera.

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Section: Introductionmentioning

confidence: 99%

First evidence for (TTAGG)n telomeric sequence and sex chromosome post-reduction in Coleorrhyncha (Insecta, Hemiptera)

Kuznetsova¹,

Grozeva²,

Hartung³

et al. 2015

CCG

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“…Insects were collected from a heavily infested E. globulus plantation on the Malven farm (37º42'6,49"S -72º21'28,83"W, datum 1984), Bío Bío Region; the adults (200 males and 200 females) corresponded to those described by Maskell [53][54][55] . The psyllids were released over the plants in the rearing system, and we obtained new generations of insects after 23 days at average minimum and maximum temperatures of 14 ºC and 24 ºC.…”

Section: Materials and Methods Insect And Plant Collectionmentioning

confidence: 99%

CHEMICAL DEFENSE RESPONSES IN Eucalyptus globulus (Labill) PLANTS

Troncoso¹,

Becerra²,

Bittner³

et al. 2011

J. Chil. Chem. Soc.

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This study evaluated the expression of defense compounds by the secondary metabolism of Eucalyptus globulus plants subjected to attacks by the insect Ctenarytaina eucalypti (blue gum psyllid) and abiotic mechanical damage using gas chromatography with flame ionization detection (GC-FID) and mass detection (MS). The results show that both biological and mechanical attacks activated defense responses in the plants. We identified 34 compounds in the leaves of the treated plants. In the case of the plants damaged by C. eucalypti, four of the compounds differed from those of the control: three oxygenated monoterpenes (borneol, exo-2-hydroxy cineole and thymol) and one quinone (6-acethyl-flaviolin). In the case of the mechanical damage, five compounds differed from the control: three sesquiterpenes (alloaromadendrene, eremophilene, and caryophyllene-oxide), borneol, and 6-acethyl-flaviolin. According to the results, different compounds are biosynthesized when faced with biotic and abiotic inductions, indicating a certain level of specificity in the response of the plants to different types of damage.

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“…Peloridiidae is a small family with currently a limited distribution in wet moss in temperate and sub-Antarctic rainforests in the Southern Hemisphere (e.g. Chile, Argentina, New Zealand, New Caledonia, southeastern Australia; Burckhardt, 2009;Burckhardt et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

New species of Cicadocoris (Hemiptera: Coleorrhyncha: Progonocimicidae) from mid-Jurassic deposits in northeastern China

Jiang¹,

Huang²

2017

Eur. J. Entomol.

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Taxonomy and phylogeny of the Gondwanan moss bugs or Peloridiidae (Hemiptera, Coleorrhyncha)

Cited by 55 publications

References 21 publications

First evidence for (TTAGG)n telomeric sequence and sex chromosome post-reduction in Coleorrhyncha (Insecta, Hemiptera)

First evidence for (TTAGG)n telomeric sequence and sex chromosome post-reduction in Coleorrhyncha (Insecta, Hemiptera)

CHEMICAL DEFENSE RESPONSES IN Eucalyptus globulus (Labill) PLANTS

New species of Cicadocoris (Hemiptera: Coleorrhyncha: Progonocimicidae) from mid-Jurassic deposits in northeastern China

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