Rearing the wheat stem sawfly on an artificial diet

Macedo, Tuilo B.; Macedo, Paula A.; Peterson, Robert K. D.; Weaver, David K.; Morrill, Wendell L.

doi:10.4039/n04-100

Cited by 3 publications

(2 citation statements)

References 11 publications

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“…By contrast, continuous rearing of C. cinctus is possible, although it takes ca. 7 months to rear one generation (Macedo et al, 2005). In most cases, the rearing of Symphyta is difficult due to their sensitivity to abiotic conditions (e.g., temperature, photoperiod, humidity) (Knerer, 1984).…”

Section: Common Patterns Knowledge Gaps and Future Prospectsmentioning

confidence: 99%

Chemical and visual ecology of the Symphyta

Guignard

Slippers

Allison

2022

Agri and Forest Entomology

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1. The Symphyta is the most basal sub-order of the Hymenoptera and includes the woodwasps, horntails and sawflies, many of which are pests. Adults are generally short-lived and as a result males and females experience strong selection to rapidly find a mate and females to find oviposition sites. Mate-searching typically relies on visual and olfactory stimuli such as sexually dimorphic morphology (i.e., body parts used in signalling) and pheromones.2. Here we review the available literature on the chemical and visual ecology of the Symphyta with potential for use in survey and detection programmes. Stimuli reviewed include but are not limited to sex pheromones, larval defensive compounds, plant kairomones and colour preferences. 3. Sex pheromones are known for 19 species of Symphyta and show shared evolutionary patterns in chemistry, production site and ecological role.4. In general, sex pheromones in the Symphyta are female-produced, oxidized cuticular hydrocarbons and yellow traps capture more individuals than other colours, although exceptions do exist. More work is needed to expand on these and identify new patterns in the visual and chemical ecology of the Symphyta.

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Section: Common Patterns Knowledge Gaps and Future Prospectsmentioning

confidence: 99%

Chemical and visual ecology of the Symphyta

Guignard

Slippers

Allison

2022

Agri and Forest Entomology

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“…The life cycle of C. cinctus is annual, including a necessary diapause of several weeks at near-freezing temperatures (Salt 1947;Perez-Mendoza and Weaver 2006). Despite improvements (Macedo et al 2005), no artificial diet adequately maintains C. cinctus in the laboratory. Thus, diapausing larvae located in the basal portion of cut stems ("stubs") must be collected annually from the field to obtain each new cohort of C. cinctus for research.…”

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confidence: 99%

Comparison of adult emergence of wheat stem sawfly from material overwintered in the field and the laboratory

2008

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We examined whether collection time (pre-winter vs. post-winter) influenced adult and female emergence success and body mass of wheat stem sawfly, Cephus cinctus Norton (Hymenoptera: Cephidae), from four Montana populations in [2005][2006]. Adult emergence was generally higher from post-harvest material in post-winter collections but varied widely among populations. No significant effect of collection time on male-biased adult emergence from postharvest residue collected near Conrad (37% vs. 31%) was detected, although adult emergence was greater for post-winter collection than for pre-winter collections from sites near Havre (90% vs. 81%), near Amsterdam (88% vs. 41%), and near Loring (67% vs. 0%); these three populations had a bias towards adult females that exceeded 2:1. Adult body mass was greater for postwinter-collected males (30% higher) and females (15%) only from near Amsterdam. Diapausing C. cinctus larvae overwintering under field conditions had better adult emergence, and spring collection is recommended in order to minimize time allocated to acquiring C. cinctus populations for research.

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