Gynandromorphs of Megachile picicornis (Morawitz, 1877) and M. deceptoria (Perйz, 1890) (Hymenoptera: Megachilidae) and their evolutionary interpretation

Фатерыга, А В; Иванов, С П; Филатов, М А

doi:10.15298/rusentj.20.3.08

Cited by 8 publications

(11 citation statements)

References 3 publications

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“…(Fateryga and Popov, 2017). M. marginata is frequently observed in the Western Palearctic (Praz, 2017) and Russia (Fateryga et al, 2011), and has also been reported in Tunisia, a country bordering Algeria (Ascher, 2020).…”

Section: Discussionmentioning

confidence: 76%

New records of Apoidea (Hymenoptera, Apoidea, Apiformes) in Algeria

Boiti¹,

Berkani²,

Doumandji³

et al. 2020

Arx. Misc. Zool.

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Between 2015 and 2017 we conducted a survey on Apoidea (Hymenoptera, Apoidea) and their distribution in several regions of northern Algeria. Among these pollinating insects captured on natural and cultivated vegetation we found four 1new species of Apoidea fauna for Algeria. These previously unreported species belonged to two families: Andrenidae and Megachilidae. We include a taxaxonomic list of the species recorded, together with their geographical distribution, altitude where found, habitat, flight periods, and flowers visited. A fifth species that was known to exist but was not documented has also been added to the list. list. Dataset oublished in Zenodo (10.5281/zenodo.3648692) Key words: Wild bees, New record, Distribution, Flora, Megachile sp., Algeria

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Section: Discussionmentioning

confidence: 76%

New records of Apoidea (Hymenoptera, Apoidea, Apiformes) in Algeria

Boiti¹,

Berkani²,

Doumandji³

et al. 2020

Arx. Misc. Zool.

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“…For instance, the deviant expression of male-like traits (e.g. absence of scopa) in a gynandromorphic bee female may be considered an evolutionary novelty associated with the evolution of brood parasitism (Wcislo et al 2004;Fateryga et al 2011).…”

Section: Behaviourmentioning

confidence: 99%

“…In addition, chromosomal aberrations, eliminations or differences in sl-CSD expression within embryonic tissues during embryogenesis have been proposed to be responsible for the generation of gynandromorphs (Michez et al 2009). The occurrence of gynandromorphism might be linked with an inbreeding depression (Kinomura and Yamauchi 1994), higher or lower than normal temperatures (Pereira et al 2004;Kamping et al 2007;Gjershaug et al 2016) or fluctuations of other specific environmental factors (Fateryga et al 2011).…”

Section: Introductionmentioning

confidence: 99%

“…In some of these, gynandromorphs have been extensively explored and described, e.g. in bees (Wcislo et al 2004;Michez et al 2009;Fateryga et al 2011;Hinojosa-Díaz et al 2012;Lucia and González 2013;Suzuki et al 2015) and ants (Jones and Phillips 1985;Kinomura and Yamauchi 1994;Heinze and Trenkle 1997;Yoshizawa et al 2009;Gjershaug et al 2016). Among other Hymenoptera, this phenomenon has been documented less frequently, e.g.…”

Section: Introductionmentioning

confidence: 99%

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A bilateral gynandromorph of Discoelius dufourii (Hymenoptera, Vespidae, Zethinae): morphology and mating behaviour

Budrienė¹,

Budrys²,

Orlovskytė³

2021

JHR

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A gynandromorph is an organism combining both female- and male-type tissues. While the vast majority of studies have described the morphology of gynandromorphs, their sexual behaviours remain under-explored. We studied a predominantly bilateral gynandromorph specimen of the predatory wasp Discoelius dufourii (Hymenoptera: Vespidae: Zethinae) reared from a trap-nest. In addition to describing the morphology, we explored the gynandromorph’s response to a conspecific female, comparing it with the behavioural interactions between normal males and females of D. dufourii and the phylogenetically related D. zonalis. For most specific behavioural elements, males of both Discoelius species exhibited a greater frequency and a higher probability of occurrences of the behaviour than did females. However, aggression and plopping behaviours were prevalent in females. The gynandromorphic specimen demonstrated behavioural activities similar to those of a male, including a relatively frequent mate body antennation and an attempt to mount a female. However, it approached the female less frequently in comparison to conspecific normal males, and it did not demonstrate substrate antennation and jumping, typical of Discoelius male mating behaviour. Based on the parameters of the nest cell, the probability of the development of the gynandromorphic specimen from an unfertilized (male) egg was higher than the probability of development from a fertilized (female) egg.

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“…Gynandromorphism is well known in bees (Hymenoptera, Apoidea, Anthophila; since Sphecoidea proved to be a paraphyletic taxon, the name Apoidea has been used to include both solitary wasps and bees, whereas Anthophila is used to include the monophyletic set of bee families [ 5 , 6 ]). Excluding the extensive literature about gynandromorphism in Apis mellifera Linnaeus, 1758, 134 cases have been recorded in all bee families except the Australian, species-poor Stenotritidae [ 7 , 8 , 9 ]. Gynandromorphism seems to be particularly common in Megachilidae, which alone accounts for more than one-third of all cases.…”

Section: Introductionmentioning

confidence: 99%

Possible Epigenetic Origin of a Recurrent Gynandromorph Pattern in Megachile Wild Bees

Sommaggio

Fusco

Uliana

et al. 2021

Insects

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Gynandromorphs, i.e., individuals with a mix of male and female traits, are common in the wild bees of the genus Megachile (Hymenoptera, Apoidea). We described new transverse gynandromorphs in Megachile pilidens Alfkeen, 1924 and analyze the spatial distribution of body parts with male vs. female phenotype hitherto recorded in the transverse gynandromorphs of the genus Megachile. We identified 10 different arrangements, nine of which are minor variants of a very general pattern, with a combination of male and female traits largely shared by the gynandromorphs recorded in 20 out of 21 Megachile species in our dataset. Based on the recurrence of the same gynandromorph pattern, the current knowledge on sex determination and sex differentiation in the honey bee, and the results of recent gene-knockdown experiments in these insects, we suggest that these composite phenotypes are possibly epigenetic, rather than genetic, mosaics, with individual body parts of either male or female phenotype according to the locally expressed product of the alternative splicing of sex-determining gene transcripts.

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Gynandromorphs of Megachile picicornis (Morawitz, 1877) and M. deceptoria (Perйz, 1890) (Hymenoptera: Megachilidae) and their evolutionary interpretation

Cited by 8 publications

References 3 publications

New records of Apoidea (Hymenoptera, Apoidea, Apiformes) in Algeria

New records of Apoidea (Hymenoptera, Apoidea, Apiformes) in Algeria

A bilateral gynandromorph of Discoelius dufourii (Hymenoptera, Vespidae, Zethinae): morphology and mating behaviour

Possible Epigenetic Origin of a Recurrent Gynandromorph Pattern in Megachile Wild Bees

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