Release and Establishment ofHydrellia balciunasi(Diptera: Ephydridae) for the Biological Control of the Submersed Aquatic PlantHydrilla verticillata(Hydrocharitaceae) in the United States

Grodowitz, Michael J.; Center, Ted D.; Cofrancesco, Alfred F.; Freedman, Jan E.

doi:10.1006/bcon.1997.0513

Cited by 34 publications

(21 citation statements)

References 10 publications

(13 reference statements)

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“…The insect diet appears to be highly nutritious and adults reproduced with more success compared to adults fed the traditional diet of sugar–yeast hydrolyzate mixture developed by Buckingham et al. () and used since (Grodowitz et al., , , ; Balciunas & Burrows, ; Cabrera Walsh et al., ; Mangan & Baars, ; Sonal Varia, pers. comm.…”

Section: Discussionmentioning

confidence: 99%

Responses of adult Hydrellia lagarosiphon to a revised diet: implications for life cycle studies and laboratory culturing techniques

Mangan

Dirilgen

Baars

2015

Entomologia Exp Applicata

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Preservation of an insect culture under laboratory conditions is essential for its study. Numerous diets have been developed for entomophagous insects undergoing screening as biological control agents in attempts to improve the nutritional quality of food provided in laboratory settings. However, less emphasis has been given to developing a more effective laboratory diet for phytophagous insects with the adult life stage not dependant on the target species. The larvae of Hydrellia lagarosiphon Deeming (Diptera: Ephydridae) mine the leaves of Lagarosiphon major (Ridl.) Moss ex Wager (Hydrocharitaceae). This species is currently under consideration as a biological control agent of this aquatic invasive. Rearing techniques for the adult stage of other Hydrellia species have been developed but current diets are not ideal as they result in relatively low reproduction rates. We compared alternative nutritional regimes and quantified their impact on life history attributes of H. lagarosiphon. The diets included the previously developed yeast-sugar diet, a newly developed insect-derived diet, and a diet that combined the two. Total fecundity was significantly higher for females on an insect-derived diet compared with the traditional carbohydrate diet and the net reproductive rate (R o ) was also higher. Population doubling time (T d ) was lower, decreasing by 30% compared to the traditional laboratory diet developed for Hydrellia species. Adult females fed the combination diet, including both insect and non-insect foods, laid 30% fewer eggs than those reared on an insect diet alone. Consequently, insect-derived nutritional regimes could improve culturing techniques significantly and if permission to release the agent is granted, this diet may benefit mass rearing efforts potentially saving time and reducing associated costs.

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Section: Discussionmentioning

confidence: 99%

Responses of adult Hydrellia lagarosiphon to a revised diet: implications for life cycle studies and laboratory culturing techniques

Mangan

Dirilgen

Baars

2015

Entomologia Exp Applicata

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“…Two Hydrellia species have been deliberately released as part of a biological control programme and established on Hydrilla verticillata in the United States (Balciunas & Burrows, 1996;Grodowitz et al, 1997;Julien & Griffiths, 1998). These cause significant damage to weed infestations in the field (Balciunas et al, 2002) and under experimental conditions (Doyle et al, 2002(Doyle et al, , 2007.…”

Section: Discussionmentioning

confidence: 99%

“…Tried and tested techniques are already developed to rear and test similar flies under laboratory conditions (Balciunas & Center, 1981;Buckingham, 1988;Buckingham et al, 1989Buckingham et al, , 1991Balciunas & Burrows, 1996;Grodowitz et al, 1997). These will improve the screening efficiency of candidate agents on L. major.…”

Section: Discussionmentioning

confidence: 99%

“…This included the leaf-mining flies and two weevils, all of which were released as biocontrol agents in the United States (Balciunas & Burrows, 1996;Grodowitz et al, 1997;Julien & Griffiths, 1998). Small beetle species have been particularly successful as biocontrol agents and have resulted in the effective control of some of the world's worst aquatic and terrestrial weeds.…”

Section: Discussionmentioning

confidence: 99%

“…The control of submersed plants presents a particular challenge as most biocontrol programmes have focused on terrestrial and free-floating aquatic plant invaders, with comparatively little attention given to submersed plant species in the past. An exception is Hydrilla verticillata (L.f.) Royle, where two curculionid beetles Bagous affinis Hustache and Bagous hydrillae O'Brien, and two ephydrid flies Hydrellia pakistanae Deonier and Hydrellia balciunasi Bock were released as biocontrol agents in the United States (Balciunas & Burrows, 1996;Grodowitz et al, 1997;Julien & Griffiths, 1998). A native weevil Euhrychiopsis lecontei (Dietz) has also been used to control Myriophyllum spicatum in northern United States and Canada (Julien & Griffiths, 1998;Johnson & Blossey, 2002).…”

Section: Introductionmentioning

confidence: 99%

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Natural enemies from South Africa for biological control of Lagarosiphon major (Ridl.) Moss ex Wager (Hydrocharitaceae) in Europe

et al. 2010

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The non-native invasive plant, Lagarosiphon major (Hydrocharitaceae) is a submersed aquatic macrophyte that poses a significant threat to water bodies in Europe. Dense infestations prove difficult to manage using traditional methods. In order to initiate a biocontrol programme, a survey for natural enemies of Lagarosiphon was conducted in South Africa. Several phytophagous species were recorded for the first time, with at least three showing notable promise as candidate agents. Amongst these, a leaf-mining fly, Hydrellia sp. (Ephydridae) that occurred over a wide distribution causes significant leaf damage despite high levels of parasitism by braconid wasps. Another yet unidentified fly was recorded mining the stem of L. major. Two leaffeeding and shoot boring weevils, cf. Bagous sp. (Curculionidae) were recorded damaging the shoot tips and stunting the growth of the stem. Several leaffeeding lepidopteran species (Nymphulinae) were frequently recorded, but are expected to feed on a wide range of plant species and are not considered for importation before other candidates are assessed. The discovery of several natural enemies in the country of origin improves the biological control prospects of L. major in Europe.

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Extensive interlineage hybridization in the predominantly clonal Hydrilla verticillata

Benoit

Les

King

et al. 2019

American J of Botany

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Release and Establishment ofHydrellia balciunasi(Diptera: Ephydridae) for the Biological Control of the Submersed Aquatic PlantHydrilla verticillata(Hydrocharitaceae) in the United States

Cited by 34 publications

References 10 publications

Responses of adult Hydrellia lagarosiphon to a revised diet: implications for life cycle studies and laboratory culturing techniques

Responses of adult Hydrellia lagarosiphon to a revised diet: implications for life cycle studies and laboratory culturing techniques

Natural enemies from South Africa for biological control of Lagarosiphon major (Ridl.) Moss ex Wager (Hydrocharitaceae) in Europe

Extensive interlineage hybridization in the predominantly clonal Hydrilla verticillata

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