A comparison of host range and performance of congeneric leaf-mining flies, Hydrellia pakistanae (Diptera: Ephydridae) and Hydrellia sp., two candidate biological control agents for the South African biotype of Hydrilla verticillata (Hydrocharitaceae)

Bownes, A.

doi:10.1016/j.biocontrol.2015.02.004

Cited by 9 publications

(2 citation statements)

References 42 publications

(90 reference statements)

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“…One example could be the lack of success of the leaf-mining H. balciunasi collected from the Australian hydrilla genotype and released on the US hydrilla when compared to the more successful related leaf-mining species introduced from India, H. pakistanae, collected from hydrilla matching the US dioecious form. Additionally, evidence from quarantine studies indicate that H. purcelli collected from Singapore performs better on the South African genotype of hydrilla that originated from Indonesia/ Malaysia, than does H. pakistanae (Bownes 2016). More recently it has also been suggested that the current introduced agents for hydrilla in the US are less effective on the monoecious plants than on the dioecious plants (Grodowitz et al 2010).…”

Section: Discussionmentioning

confidence: 99%

“…Sequencing of the hydrilla from exotic infestations of hydrilla in South Africa indicated that the plant's introduction probably originated from the Malaysian region (Madeira et al 2007). The unknown fly was subsequently described as Hydrellia purcelli Deeming (Bownes and Deeming 2016) and appears to be adapted to the South African exotic hydrilla genotype (Bownes 2016). Madeira et al (2007) thought it prudent to introduce control agents into South Africa from Southeast Asia or Indonesia.…”

Section: Singaporementioning

confidence: 99%

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Exploration for candidate biological control agents of the submerged aquatic weed Hydrilla verticillata, in Asia and Australia 1996–2013

et al. 2019

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Monoecious and dioecious forms of the submerged aquatic plant hydrilla, Hydrilla verticillata (Linn. f.) Royle (Hydrocharitaceae) are invasive weeds in the US. Surveys for biological control agents of hydrilla throughout its native range have been conducted since the 1970s. Surveys between 1996 and 2013 focused on China, Southeast Asia and Australia, with 425 collections of hydrilla made in seven countries. Most of the herbivores collected were typical of previous surveys and included three main feeding guilds and taxonomic groups: stem-boring Bagous weevils, leaf-mining Ephydridae flies and defoliating Crambidae moths. Preliminary testing of prioritized agents collected from 1996 to 2013 did not reveal candidates for use as biological control agents with those tested being polyphagous. Further surveys are currently in China and South Korea, where hydrilla forms/genotypes exist that match those found in the US.

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Section: Discussionmentioning

confidence: 99%

Section: Singaporementioning

confidence: 99%