Proactive biological control: A cost-effective management option for invasive pests

Hoddle, Mark S.; Mace, Kevi; Steggall, John

doi:10.3733/ca.2018a0027

Cited by 10 publications

(10 citation statements)

References 6 publications

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“…Table 1 Transformed and original means of the number of individuals of six insect pests (Y 1 = whitefly nymph, Y 2 = whitefly pupa, Y 3 = aphids (nymphs and adults), Y 4 = two-spotted spider mite egg, Y 5 = two-spotted spider mite nymph and Y 6 = two-spotted spider mite adult) for treatments without (T 1 ) and with (T 2 ) biological control A well-designed biological control program should include an adequate selection of the natural enemies to be released as well as an appropriate time for their release. 17 Releasing the biological control agents before the pest is present may significantly reduce the density of insect pests. The use of plants such as coriander around the plots, may provide refuge and act as an alternative food source (ex.…”

Section: Resultsmentioning

confidence: 99%

Biological control of insect pests of strawberry (Fragariax ananassa Duch.) in Irapuato, Guanajuato, Mexico

Araiza¹,

Jaime²,

García³

et al. 2020

HIJ

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Strawberry is one of the main crops in the state of Guanajuato, Mexico. The main insect pests are: Tetranychus urticae (Koch.), Trialeurodes vaporariorum (Westwood) and, Chaetosiphon fragaefolii (Cockerell). In order to evaluate the impact of different natural enemies on these pests, two treatments were compared. The first treatment (T 1) consisted in pesticide application, the second treatment (T 2) was composed of the liberation of two natural enemies of these insect pests: Chrysoperla carnea (Stephens) and Hippodamia convergens (Guérin-Méneville). Coriander (Coriandrumsativum L.) was planted on the side of the fields where the natural enemies were released. The adults of T. urticae were more abundant in T 1 than T 2 , by contrast,there were lower number of nymphs and adults of Ch. fragaefolii in T 1 ; nymphs and pupae of T. vaporariorum there were not significantly different between treatments. The populations of T. urticae and Ch. fragaefolii followed a similar pattern, appearing since the end of November and reaching a peak in April, whereas the population of T. vaporariorum showed three population peaks (December, February and June). The presence of C. carnea and H. covergens was similar between T. urticaeand T. vaporariorum, but significant and different with respect of Ch. fragaefolii. The average number of T. urticae's eggs per leaf in the treatment with the release of natural enemies was of 130, compared with 1000 eggs/leaf in the conventional treatment. The population of whiteflies was lower in the biological control treatment. There was an effective pest control with the biocontrol treatment.

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Section: Resultsmentioning

confidence: 99%

Biological control of insect pests of strawberry (Fragariax ananassa Duch.) in Irapuato, Guanajuato, Mexico

Araiza¹,

Jaime²,

García³

et al. 2020

HIJ

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“…With this approach, natural enemies can be selected, risk assessment studies carried out, and their potential release pre‐approved by regulators for timely release after arrival of the pest. This would significantly reduce pest densities and rates of spread, ultimately reducing the economic or environmental damage associated with the pest (Hoddle et al, 2018). In preparation for a potential arrival/establishment of H. halys in New Zealand, a pre‐emptive classical biocontrol program for this pest using the egg parasitoid Tr.…”

Section: Case Study 4: Pre‐emptive Biological Control Of Halyomorpha mentioning

confidence: 99%

Biological control of invasive stink bugs: review of global state and future prospects

Conti

Avila

Barratt

et al. 2020

Entomologia Exp Applicata

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“…With respect to California, a western U.S. state with an agricultural economy worth ~$50 billion per year ( 14 ), L. delicatula is viewed as a significant invasion threat that could cause significant problems for producers of specialty crops like grapes and nuts. Consequently, L. delicatula is the subject of a proactive biological control research program that is being undertaken in advance of its anticipated incursion and establishment in California ( 15 ).…”

Section: Introductionmentioning

confidence: 99%

Effects of Freezing Lycorma delicatula Egg Masses on Nymph Emergence and Parasitization by Anastatus orientalis

Gómez-Marco

Hoddle²

2022

Front. Insect Sci.

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Lycorma delicatula (White) (Hemiptera: Fulgoridae), native to China, was first detected in Pennsylvania, U.S. in 2014. This polyphagous pest can feed on over 70 plant species including agricultural crops, like grapes, that have high economic value. Anastatus orientalis Yang and Choi (Hymenoptera: Eupelmidae) is an egg parasitoid associated with L. delicatula egg masses in China that is being evaluated for possible introduction into the U.S. for classical biological control of L. delicatula. In support of this program, the suitability of frozen L. delicatula eggs for parasitization by A. orientalis was evaluated in a quarantine laboratory. Host egg masses held for four different cold storage periods (5°C for <1, 4, 8 and 11 months) were frozen at -40°C for 1 hour or 24 hours and exposed to female A. orientalis for parasitization for seven days. Following this experimental exposure period, rates of L. delicatula nymph emergence and A. orientalis parasitism were assessed for each of the eight different cold storage treatments. Host acceptance and suitability of frozen L. delicatula eggs by A. orientalis was assessed in terms of percentage parasitism, offspring sex ratio, and hind tibia length of emerged parasitoids. Results indicated that L. delicatula nymphs failed to emerge from eggs that were exposed to -40°C for 1 hour and 24 hours and A. orientalis could successfully parasitize L. delicatula eggs regardless of cold storage and freezing treatment. These results add a new tool for long term maintenance of L. delicatula egg masses and rearing methods for egg parasitoids of this pest. Additionally, it may be possible to field deploy sentinel eggs of L. delicatula frozen at -40°C to survey for resident natural enemy species capable of parasitizing eggs of this pest in advance of anticipated L. delicatula invasions into new areas.

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Proactive biological control: A cost-effective management option for invasive pests

Cited by 10 publications

References 6 publications

Biological control of insect pests of strawberry (Fragariax ananassa Duch.) in Irapuato, Guanajuato, Mexico

Biological control of insect pests of strawberry (Fragariax ananassa Duch.) in Irapuato, Guanajuato, Mexico

Biological control of invasive stink bugs: review of global state and future prospects

Effects of Freezing Lycorma delicatula Egg Masses on Nymph Emergence and Parasitization by Anastatus orientalis

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