Mass rearing and release of Mastrus ridens (Hym: Ichneumonidae) a parasitoid for the biological control of codling moth Cydia pomonella.

2018 ◽  
Vol 41 (2) ◽  
pp. 37-45 ◽  
Author(s):  
W. R. M. Sandanayaka ◽  
J. G. Charles ◽  
V. A. Davis ◽  
A. Chhagan ◽  
P. W. Shaw ◽  
...  
2016 ◽  
Vol 69 ◽  
pp. 318-318
Author(s):  
V.A. Davis ◽  
W.R.M. Sandanayaka ◽  
J.G. Charles

Liotryphon caudatus was introduced into New Zealand to control codling moth (CM; Cydia pomonella) in the early 1900s As part of ongoing research into the biological control of CM a laboratory colony of L caudatus was established from fieldcollected adults reared on diapausing CM larvae The longevity and fecundity of laboratoryreared L caudatus adults were measured at 231C and 16 h photoperiod Longevity in a nonhost environment was measured by holding a newly emerged female and a male in a container with water and food Survival of 18 pairs was monitored daily The food and water in the containers were refreshed regularly The fecundity and the longevity of females were measured by providing five diapausing CM larvae to each of nine mated females (age 710 days) in a similar container with food and water The CM larvae were replaced every 48 hours until the females were dead In the interactions between L caudatus and Mastrus ridens a recently released gregarious ectoparasitoid of codling moth in applegrowing areas where L caudatus has already established


2011 ◽  
Vol 64 ◽  
pp. 227-234 ◽  
Author(s):  
W.R.M. Sandanayaka ◽  
A. Chhagan ◽  
N.E.M. Page-Weir ◽  
J.G. Charles

Mastrus ridens (Horstmann) (Hymenoptera Ichneumonidae) was imported from Argentina into New Zealand as part of a classical biological control programme against codling moth (CM) Cydia pomonella (L) (Lepidoptera Tortricidae) A laboratory colony was successfully established and maintained in quarantine and experiments were conducted to understand the biology and behaviour of the parasitoid to maximise its efficiency prior to release Nave females parasitised a maximum of four CM larvae/day laying a total of 12915 eggs However a single CM larva could support the development of a maximum of 10 parasitoids The body sizes of emerging M ridens females in the colony decreased with an increase in the number of pupae developing on a single CM larva because of competition Female M ridens preferred larger CM larvae to smaller larvae in cocoons for oviposition Superparasitism host feeding and the number of CM larvae hosting damaged parasitoid eggs increased with decreasing host/parasitoid ratios


Insects ◽  
2020 ◽  
Vol 11 (2) ◽  
pp. 129
Author(s):  
Enrico Schifani ◽  
Cristina Castracani ◽  
Daniele Giannetti ◽  
Fiorenza Augusta Spotti ◽  
Roberto Reggiani ◽  
...  

Knowledge of the role of ants in many agroecosystems is relatively scarce, and in temperate regions the possibility to exploit ants as biocontrol agents for crop protection is still largely unexplored. Drawing inspiration from mutualistic ant–plant relationships mediated by extrafloral nectaries (EFNs), we tested the use of artificial nectaries (ANs) in order to increase ant activity on pear trees and to evaluate the effects on the arthropods, plant health and fruit production. While EFNs secrete a complex solution mainly composed of sugars and amino acids, ANs were filled with water and sucrose only. The results suggest that ANs can be used as manipulative instruments to increase ant activity over long periods of time. High ant activity was significantly linked to lower incidence of the pathogen fungus Venturia pyrina (pear scab) on pear leaves, and of the presence of Cydia pomonella (codling moth) caterpillars on pear fruit production. These results further encourage exploring underrated possibilities in the development of new tools for conservation biological control (CBC).


Insects ◽  
2019 ◽  
Vol 10 (9) ◽  
pp. 292 ◽  
Author(s):  
Howard M. A. Thistlewood ◽  
Gary J. R. Judd

The advent of novel genetic methods has led to renewed interest in the sterile insect technique (SIT) for management of insect pests, owing to applications in mass rearing and in the production of sterile offspring without use of irradiation. An area-wide management programme for codling moth, Cydia pomonella, has employed the SIT and other management practices over a large area (3395 to 7331 ha) of orchards and neighbouring urban, public, or First Nations lands in British Columbia, Canada, for 25 years. This project is the first to employ the SIT for C. pomonella, and the longest-running application of area-wide techniques for its control, anywhere. It was derived from basic research and applied trials from the 1960s onwards. Many biological challenges were overcome, and lessons learnt, in transferring from small- to large-scale applications of mass rearing and the SIT, with particular regard to Lepidoptera. Research has proven essential to identifying, if not resolving, issues that threaten the implementation and success of any such programme. The major challenges encountered, and the resulting research, are reviewed, as well as future directions. Recommendations are given for application of the SIT as part of any area-wide management programme for C. pomonella.


BioControl ◽  
2013 ◽  
Vol 58 (4) ◽  
pp. 505-513 ◽  
Author(s):  
John G. Charles ◽  
W. R. Manoharie Sandanayaka ◽  
Asha Chhagan ◽  
Natalie E. M. Page-Weir

2018 ◽  
Vol 71 ◽  
pp. 352
Author(s):  
Vicky A. Davis ◽  
W.R. Manoharie Sandanayaka ◽  
John G. Charles

Codling moth (Cydia pomonella) (CM) is a major pest of apples in New Zealand. Several biocontrol agents introduced in the past to control CM have only been partially successful at reducing CM populations, so a parasitoid wasp, Mastrus ridens (Hymenoptera: Ichneumonidae), was recently released into apple-growing regions. This study sought evidence of the establishment of CM parasitoids. Corrugated cardboard bands (2-cm wide bands with sentinel CM larvae and 10-cm wide empty bands to trap wild CM larvae) were used to assess the presence of M. ridens and other CM parasitoids in Hawke’s Bay, Nelson, Central Otago and Waikato regions. Five CM parasitoid species, including M. ridens, were recovered from sentinel and wide bands. Liotryphon caudatus (Hymenoptera: Ichneumonidae, released to control CM in 1906) was found in Hawke’s Bay and Waikato. Ascogaster quadridentata (Hymenoptera: Braconidae, released to control CM in the 1930s), Glabridorsum stokesii (Hymenoptera: Ichneumonidae, released in 1967 to control light brown apple moth), Dibrachys microgastri (Hymenoptera: Chalcidoidea: Pteromalidae, an accidental arrival) and M. ridens were found in all regions. The interspecific competition between M. ridens and other parasitoid species remains to be investigated.


2011 ◽  
Vol 64 ◽  
pp. 222-226
Author(s):  
L.M. Cole ◽  
J.T.S. Walker

The ichneumonid parasitoid Liotryphon caudatus was introduced into New Zealand in 1906 for biological control of codling moth Cydia pomonella a pest of pipfruit Following release it was found in the Auckland area with only isolated recoveries in the 1970s in Waikato and Hawkes Bay In 2010 96 parasitism of codling moth by L caudatus in larvae collected from a Hawkes Bay orchard was recorded Liotryphon caudatus harvested from this collection were used to establish a laboratory colony for behavioural observations In 2011 15 sites across Hawkes Bay comprising abandoned organic and Integrated Fruit Production apple orchards were surveyed for the presence of L caudatus Cocooned codling moth larvae in corrugated cardboard bands were placed at each site for 3 weeks and assessed for parasitism Liotryphon caudatus was recovered from four of five abandoned orchards with up to 13 parasitism but was not found in either organic or IFP orchards


BioControl ◽  
2019 ◽  
Vol 64 (3) ◽  
pp. 291-301 ◽  
Author(s):  
John G. Charles ◽  
W. R. Manoharie Sandanayaka ◽  
James T. S. Walker ◽  
Peter W. Shaw ◽  
Asha Chhagan ◽  
...  

BioControl ◽  
2013 ◽  
Vol 58 (4) ◽  
pp. 493-503 ◽  
Author(s):  
John G. Charles ◽  
W. R. Manoharie Sandanayaka ◽  
Asha Chhagan ◽  
Natalie E. M. Page-Weir

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