Influence of Nematode Parasitism, Body Size, Temperature, and Diel Period on the Flight Capacity of Sirex noctilio F. (Hymenoptera: Siricidae)

Gaudon, Justin M.; Haavik, Laurel J.; MacQuarrie, Chris J.K.; Smith, Sandy M.; Allison, Jeremy D.

doi:10.1007/s10905-016-9563-3

Cited by 11 publications

(19 citation statements)

References 29 publications

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“…Clinal, interpopulation, and individual variation in body size are among the most studied aspects of the ecology of insects, in part due to a clear relationship with fitness. Fecundity (Honěk, 1993), survival (Ovadia et al., 2007), flight and associated behaviors (i.e., foraging, oviposition, and dispersal; Bruzzone et al., 2009; Gaudon et al., 2016), mating success (Benelli et al., 2016), generation time/voltinism, and longevity (Flatt et al., 2014) often strongly covary with body size, though sometimes in complex ways. In addition, body size has both basic and applied relevance for its relationships with temperature, latitude, host quality, nutrition, and ecological niche, making it an attractive target of investigation.…”

Section: Introductionmentioning

confidence: 99%

Biotic and abiotic effects on density, body size, sex ratio, and survival in immature stages of the European woodwasp, Sirex noctilio

Garnas

Vann

Hurley

2020

Ecology and Evolution

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Section: Introductionmentioning

confidence: 99%

Biotic and abiotic effects on density, body size, sex ratio, and survival in immature stages of the European woodwasp, Sirex noctilio

Garnas

Vann

Hurley

2020

Ecology and Evolution

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“…The UV-green contrast together with the triangular arrangement of the ocelli provides a solid skyline delimitation 51 . On flight mill experiments S. noctilio has been observed to fly as much as 19–49 km in a 24 h period 52 , 53 . An ocellar system that enhances flight stabilisation is consistent with this high dispersal capacity.…”

Section: Discussionmentioning

confidence: 99%

Evidence for UV-green dichromacy in the basal hymenopteran Sirex noctilio (Siricidae)

Guignard

Spaethe

Slippers

et al. 2021

Sci Rep

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A precondition for colour vision is the presence of at least two spectral types of photoreceptors in the eye. The order Hymenoptera is traditionally divided into the Apocrita (ants, bees, wasps) and the Symphyta (sawflies, woodwasps, horntails). Most apocritan species possess three different photoreceptor types. In contrast, physiological studies in the Symphyta have reported one to four photoreceptor types. To better understand the evolution of photoreceptor diversity in the Hymenoptera, we studied the Symphyta Sirex noctilio, which belongs to the superfamily Siricoidea, a closely related group of the Apocrita suborder. Our aim was to (i) identify the photoreceptor types of the compound eye by electroretinography (ERG), (ii) characterise the visual opsin genes of S. noctilio by genomic comparisons and phylogenetic analyses and (iii) analyse opsin mRNA expression. ERG measurements revealed two photoreceptor types in the compound eye, maximally sensitive to 527 and 364 nm. In addition, we identified three opsins in the genome, homologous to the hymenopteran green or long-wavelength sensitive (LW) LW1, LW2 and ultra-violet sensitive (UV) opsin genes. The LW1 and UV opsins were found to be expressed in the compound eyes, and LW2 and UV opsins in the ocelli. The lack of a blue or short-wavelength sensitive (SW) homologous opsin gene and a corresponding receptor suggests that S. noctilio is a UV-green dichromate.

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“…The UV-green contrast together with the triangular arrangement of the ocelli provides a solid skyline delimitation 45 . On ight mills S. noctilio has been observed to y as much as 19-49 km in a 24 hr period 46,47 . A dichromatic ocellar system that enhances ight stabilisation is consistent with this high dispersal capacity.…”

Section: Discussionmentioning

confidence: 99%

UV-green dichromacy in the basal hymenopteran Sirex noctilio (Hymenoptera: Siricidae).

Guignard¹,

Spaethe²,

Slippers³

et al. 2021

Preprint

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A precondition for colour vision is the presence of at least two spectral types of photoreceptors in the eye. The order Hymenoptera is traditionally divided into the Apocrita (ants, bees, wasps) and the Symphyta (sawflies, woodwasps, horntails). Most apocritan species possess three different photoreceptor types. In contrast, physiological studies in the Symphyta have reported one to four photoreceptor types. To better understand the evolution of photoreceptor diversity in the Hymenoptera, we studied Sirex noctilio, which belongs to the superfamily Siricoidea, a sister group of the Apocrita. Our aim was to i) identify the photoreceptor types of the compound eye by electroretinography (ERG), ii) characterise the visual opsins genes of S. noctilio by genomic comparisons and phylogenetic analyses and iii) analyse opsin mRNA expression. ERG measurements revealed two photoreceptor types in the compound eye, maximally sensitive to 527 and 364 nm. In addition, we identified three opsins in the genome, homologous to the hymenopteran LW1, LW2 and UV opsin genes. The LW1 and UV opsins were found to be expressed in the compound eyes, and LW2 and UV opsins in the ocelli. The lack of a SW-homologous opsin gene and a corresponding receptor suggests that S. noctilio is a UV-green dichromate.

show abstract

Influence of Nematode Parasitism, Body Size, Temperature, and Diel Period on the Flight Capacity of Sirex noctilio F. (Hymenoptera: Siricidae)

Cited by 11 publications

References 29 publications

Biotic and abiotic effects on density, body size, sex ratio, and survival in immature stages of the European woodwasp, Sirex noctilio

Biotic and abiotic effects on density, body size, sex ratio, and survival in immature stages of the European woodwasp, Sirex noctilio

Evidence for UV-green dichromacy in the basal hymenopteran Sirex noctilio (Siricidae)

UV-green dichromacy in the basal hymenopteran Sirex noctilio (Hymenoptera: Siricidae).

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