Chemoecology of larvae of the European apple sawfly

Boevé, Jean‐Luc

doi:10.1111/j.1570-7458.1996.tb00937.x

Cited by 6 publications

(5 citation statements)

References 22 publications

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“…L. constrictus (Provancher, 1882) Heterarthrinae, Fenusini: Metallus rohweri MacGillivray, 1909 [Barron, 1994] Rubus [Barron, 1994] 6. L. ensator (Brauns, 1898) Nematinae, Hoplocampini: Hoplocampa testudinea (Klug) [Zapryanov, 1985;Zijp & Blommers, 1993;Babendreier, 1996;Boeve, 1996;Vincent et al, 2002;Zijp & Blommers, 2002a;2002b. ] Malus pumila; Malus sylvestris [Zijp & Blommers, 1993;Babendreier, 1996;Boeve, 1996;Vincent et al, 2002;Zijp & Blommers, 2002a;2002b.…”

Section: Lathrolestesmentioning

confidence: 99%

Review of North European species of the genus Lathrolestes (Hymenoptera, Ichneumonidae) with description of one new species from Öland (Sweden)

Reshchikov

2015

Zootaxa

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The genus Lathrolestes Förster (Hymenoptera: Ichneumonidae) from Northern Europe is reviewed. A new species, L. oelandinus sp. n. from Öland (Southern Sweden) is described. Illustrated diagnoses for 23 Northern European species are provided. Lathrolestes soperi Reshchikov, 2010 is recorded for the first time in the Palaearctic region (from the UK) and L. bipunctatus (Bridgman, 1886), L. citreus (Brischke, 1878), L. clypeatus (Zetterstedt, 1838) are new records for Denmark, and L. moravicus Habermehl, 1923 is a new record for Finland, France and Russia. Additionally L. ensator recorded newly from Belorus, L. erythrocephalus from Azerbaijan, L. macropygus and L. pictilis from Austria. Trophic interactions of the genus are discussed.

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Section: Lathrolestesmentioning

confidence: 99%

Review of North European species of the genus Lathrolestes (Hymenoptera, Ichneumonidae) with description of one new species from Öland (Sweden)

Reshchikov

2015

Zootaxa

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“…Over the next several decades it spread into the western and northeastern United States of America then north into British Columbia and Québec, Canada and finally eastward into the Maritimes [9][10][11][12][13]. Damage from H. testudinea occurs post-mating when the female will lay an egg at the base of the apple blossom [11,14,15]. Larvae require 1-2 weeks to develop [11,16] and upon hatching burrow into the fruitlet.…”

Section: Introductionmentioning

confidence: 99%

“…After the final instar, larvae leave the fruitlet and drop to the ground where they overwinter as pupae in the soil. Adult female H. testudinea emerge from the soil in early to mid-May [14] and mature within 4-10 days [8,11,15,16,18].…”

Section: Introductionmentioning

confidence: 99%

A New Look at Cultivar Preference in Hoplocampa testudinea (Hymenoptera: Tenthredinidae) on Apple in the Annapolis Valley of Nova Scotia, Canada

Blatt

Hiltz

2021

Insects

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(1) Background: The European apple sawfly, Hoplocampa testudinea Klug (Hymenoptera: Tenthredinidae), can be an economically important pest in eastern Canada and shows preference for apple cultivars in Nova Scotia, Canada. We hypothesized that this preference could be due to oviposition by female H. testudinea (preference-performance hypothesis) during the bloom period or differential larval survival during development due to fruitlet physicochemical properties. (2) Methods: Fifteen commercial and experimental apple (Malusdomestica Borkh.; Rosaceae) cultivars located at the Kentville Research and Development Centre (Kentville, Nova Scotia) were chosen and examined for H. testudinea oviposition, larval performance during fruitlet development, fruitlet physicochemical properties and damage assessment at harvest from 2016–2019, inclusive. (3) Results: H. testudinea showed significant cultivar preference during oviposition, during development and at harvest, but the ranking of these cultivars was not the same throughout the season. Total impact by H. testudinea was consistent for most cultivars over multiple years of the study. (4) Conclusion: Correlation of oviposition with damage provided weak evidence for the preference-performance hypothesis. We propose that this relationship is weak due to differential survival of larvae during development.

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“…Adult female H. testudinea emerge from pupation in early-mid May (Boevé 1996) and mature within 4–10 days (Miles 1932; Downes 1944; Weires 1991; Ontario Ministry of Agriculture, Food and Rural Affairs 2011; Tamošiūnas and Valiuškaitė 2013). After mating, female H. testudinea lay an egg at the base of the apple blossom (Weires 1991; Boevé 1996; Ontario Ministry of Agriculture, Food and Rural Affairs 2011). Eggs take one to two weeks to develop (Miles 1932; Weires 1991) and after hatching, the larvae burrow into the fruitlet.…”

Section: Introductionmentioning

confidence: 99%

“…Hoplocampa testudinea larvae leave the fruitlet, drop to the ground, and overwinter as pupae in the soil. Adult female H. testudinea emerge from pupation in early-mid May (Boevé 1996) and mature within 4-10 days (Miles 1932;Downes 1944;Weires 1991; Ontario Ministry of Agriculture, Food and Rural Affairs 2011; Tamošiūnas and Valiuškaitė 2013). After mating, female H. testudinea lay an egg at the base of the apple blossom (Weires 1991;Boevé 1996; Ontario Ministry of Agriculture, Food and Rural Affairs 2011).…”

Section: Introductionmentioning

confidence: 99%

Apple cultivar preferences byHoplocampa testudinea(Hymenoptera: Tenthredinidae) in the Annapolis Valley of Nova Scotia, Canada

2016

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The European apple sawfly, Hoplocampa testudinea (Klug) (Hymenoptera: Tenthredinidae), is an economically important pest in eastern Canada. Growers can experience significant crop losses as management of this species is difficult because it is present during bloom. As a result, management strategies other than pesticides are required for this pest. Eleven commercial and experimental apple (Malus pumila Miller; Rosaceae) cultivars were studied to evaluate host resistance as a potential management strategy. Preferences were determined using field surveys of adult visitation, larval infestation of apples, damage at harvest, behavioural bioassays, and electrophysiological tests. Significant differences in visitation and infestation were observed. H. testudinea preferred “Zestar!”, “s23-06-153”, and “Pinova” over other cultivars examined. Comparison with subsequent larval counts and damage also suggest differential performance of larvae in several cases, irrespective of the adult preference. Y-tube bioassays and electroanntennography results indicate that olfaction plays a role in cultivar discrimination for this species.

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Chemoecology of larvae of the European apple sawfly

Cited by 6 publications

References 22 publications

Review of North European species of the genus Lathrolestes (Hymenoptera, Ichneumonidae) with description of one new species from Öland (Sweden)

Review of North European species of the genus Lathrolestes (Hymenoptera, Ichneumonidae) with description of one new species from Öland (Sweden)

A New Look at Cultivar Preference in Hoplocampa testudinea (Hymenoptera: Tenthredinidae) on Apple in the Annapolis Valley of Nova Scotia, Canada

Apple cultivar preferences byHoplocampa testudinea(Hymenoptera: Tenthredinidae) in the Annapolis Valley of Nova Scotia, Canada

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