Olfactory Sex Attraction and Mating Behaviour in the Pine Sawyer Monochamus galloprovincialis (Coleoptera: Cerambycidae)

Ibeas, F.; Díez, Julio Javier; Pajares, J. A.

doi:10.1007/s10905-007-9104-1

Cited by 38 publications

(38 citation statements)

References 30 publications

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“…We conclude that 2-undecyloxy-1-ethanol is a male-produced aggregation pheromone of M. galloprovincialis. These results are partially in agreement with those of Ibeas et al (2008), who reported that reproductively mature females were consistently attracted to plumes containing odors from mature males in a Y-tube olfactometer. However, these authors did not observe significant attraction of males to the odors from males.…”

Section: Resultssupporting

confidence: 92%

“…Long-range host selection is driven by a kairomonal response to host volatiles and bark beetle semiochemicals that brings together both sexes to larval host trees , Ibeas et al 2007, and this now seems to be synergized by the male-produced aggregation pheromone. The latter also may play a role in attracting females at relatively short range, as in the Y-tube bioassays reported by Ibeas et al (2008), and even in recognition of males by females. Finally, the chemicallymediated reproductive behavior of M. galloprovincialis is completed when males recognize mates by contact chemoreception of female cuticular compounds (Ibeas et al 2009).…”

Section: Resultsmentioning

confidence: 95%

“…Later, the role of female cuticular compounds in mate recognition was demonstrated, and significant differences between the global hydrocarbon profiles of males and females were found, indicating that females have a contact pheromone on their cuticle that stimulates male copulatory behavior (Ibeas et al 2009). Ibeas et al (2008) also showed that mature female M. galloprovincialis were strongly attracted to mature males feeding on pine shoots in an olfactometer. Mature females also were attracted to mature males in the absence of pine shoots, but less strongly.…”

Section: Introductionmentioning

confidence: 82%

“…Subsequently, beetles were allowed to feed on pine shoots for 2 wk in Spain before shipment to the UK. These correspond to immature and mature beetles, respectively (Ibeas et al 2008).…”

Section: Methodsmentioning

confidence: 99%

“…Presumably, both sexes are brought together on the host plant by these kairomones, and this is followed by copulation and oviposition. Ibeas et al (2008) described the mating behavior of M. galloprovincialis in the laboratory and proposed a chemically-mediated sex recognition by males through the contact of the female elytra with the labial and/or maxillary palpi of the mouthparts. Later, the role of female cuticular compounds in mate recognition was demonstrated, and significant differences between the global hydrocarbon profiles of males and females were found, indicating that females have a contact pheromone on their cuticle that stimulates male copulatory behavior (Ibeas et al 2009).…”

Section: Introductionmentioning

confidence: 99%

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Identification and Field Activity of a Male-Produced Aggregation Pheromone in the Pine Sawyer Beetle, Monochamus galloprovincialis

et al. 2010

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The pine sawyer beetle, Monochamus galloprovincialis, is a pest of pine trees in Europe and North Africa. Previously considered a secondary pest of stressed and dying trees, it is now receiving considerable attention as a vector of the pine wood nematode, Bursaphelenchus xylophilus, the causal agent of a lethal wilting disease in susceptible species of pines. Adult beetles are attracted to traps baited with a kairomone blend consisting of a host volatile, alpha-pinene, and two bark beetle pheromone components, ipsenol and 2-methyl-3-buten-2-ol. More recently it has been shown that mature male M. galloprovincialis produce a pheromone that attracts mature females in a laboratory bioassay. Here, volatiles were collected from mature male and female M. galloprovincialis, and a compound produced specifically by mature males was identified as 2-undecyloxy-1-ethanol from its gas chromatographic retention times, its mass spectrum, and by comparison with synthetic standards. The naturally-derived and synthetic compounds elicited electroantennographic responses from both females and males. Sealed polyethylene vials and polyethylene sachets were shown to be effective dispensers with zero-order release, the latter giving a higher release rate than the former. In two field tests, multiple-funnel traps baited with synthetic 2-undecyloxy-1-ethanol caught both female and male M. galloprovincialis, with higher catches at the higher release rate. This compound also synergized the attractiveness of the kairomone blend, the combined mixture catching 80-140% more beetles than the sum of the catches to each bait separately and luring up to two beetles/trap/d in a moderate-density population. We conclude that 2-undecyloxy-1-ethanol is a male-produced aggregation pheromone of M. galloprovincialis. This is the first example of a sex-specific compound in the cerambycid subfamily Lamiinae with significant behavioral activity in the field at a range sufficient to make it a useful trap bait. The possible roles of this pheromone in the chemical ecology of M. galloprovincialis and its potential use in pine wilt disease management are discussed.

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Section: Resultssupporting

confidence: 92%

Section: Resultsmentioning

confidence: 95%

Section: Introductionmentioning

confidence: 82%

“…Subsequently, beetles were allowed to feed on pine shoots for 2 wk in Spain before shipment to the UK. These correspond to immature and mature beetles, respectively (Ibeas et al 2008).…”

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Identification and Field Activity of a Male-Produced Aggregation Pheromone in the Pine Sawyer Beetle, Monochamus galloprovincialis

et al. 2010

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Ultrastructure of sensilla on the maxillary and labial palps of the adult Xylotrechus grayii (Coleoptera: Cerambycidae)

Chen

Zhu

Qiao

et al. 2018

Microscopy Res & Technique

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The longhorn beetle, Xylotrechus grayii (White, 1855), is a serious woodborer pest of many economic and medicinal plants. The maxillary and labial palps of X. grayii adults are strongly involved in mating and host selection behaviors. To further develop control strategies of the pest, sensilla on the palps were studied with scanning and transmission electron microscopy. Five types of sensilla (nine subtypes) were identified: sensilla styloconica (four subtypes, Sty1-4), sensilla chaetica (2 subtypes, SC1-2), sensilla digitiformia (Di), sensilla basiconica (Ba), and Böhm sensilla (Bm). Sty and Ba have dendrites and wall pores. SC2 has a tubular body. Di exist only on the terminal segment of the maxillary palp. Sty numbers are the highest in both palps, followed by SC. The number of sensilla in the maxillary palp is significantly higher than that in the labial palp. There are no significant sexual differences in sensilla types, characteristics, distribution, and quantity in the maxillary or labial palps, except for the number of SC sensilla on the maxillary palp. Sensilla functions were compared with correlative sensilla in previous studies. Sty may be sense gustation and olfaction stimulation, while SC are mechanoreceptors. Ba are likely thermo- and hygroreceptors. The phylliform depression area formed by Di may exert multiple functions. Bm may sense palp position and movement. These results contribute to the study of the electrophysiology and behavior mechanisms of X. grayii.

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Assessing Pine Wilt Disease Risk Under a Climate Change Scenario in Northwestern Spain

Pérez

Díez

Ibeas

et al. 2008

Managing Forest Ecosystems: The Challenge of Climate Change

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Olfactory Sex Attraction and Mating Behaviour in the Pine Sawyer Monochamus galloprovincialis (Coleoptera: Cerambycidae)

Cited by 38 publications

References 30 publications

Identification and Field Activity of a Male-Produced Aggregation Pheromone in the Pine Sawyer Beetle, Monochamus galloprovincialis

Identification and Field Activity of a Male-Produced Aggregation Pheromone in the Pine Sawyer Beetle, Monochamus galloprovincialis

Ultrastructure of sensilla on the maxillary and labial palps of the adult Xylotrechus grayii (Coleoptera: Cerambycidae)

Assessing Pine Wilt Disease Risk Under a Climate Change Scenario in Northwestern Spain

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