Eristalinus (Lathyrophthalmus) aeneus (Scopoli, Not assessed Unlikely: Syrphidae adults are no 1763) pollen and nectar feeders and can be pollinators of major significance hover fly Most Eristalinae are saprophagous (Evenhuis 1989). Likely: Poole et al. (2011) lists E. Hely et al. (1982) indicates Euproctis paradoxa (Butler, 1886) Likely: paradoxa hostplants as Avocado, that can feed on the E. paradoxa native tussock moth grape, nectarine, peach and stalks of ripening grapes and cause radiata pine which are grown heavy fruit fall. extensively in WA (DAFWA 2006; DAFWA 2014a). Likely: JD Swan (2011, pers. Graptostethus sp. Likely: Chin et al. (2009) indicates comm.) lists Graptostethus sp. as that when these bugs swarm, they crusader bug a pest of Vitis which is grown generally do not feed but may cause extensively in WA (DAFWA 2006; physical damage by breaking off DAFWA 2014a). stems or cause scratch marks on leaves, flowers or fruit by moving on the plants in such large numbers.
Eristalinus (Lathyrophthalmus) aeneus (Scopoli, 1763) hover fly Not assessed Unlikely: Syrphidae adults are pollen and nectar feeders and can be pollinators of major significance Most Eristalinae are saprophagous (Evenhuis 1989). no Euproctis paradoxa (Butler, 1886) native tussock moth Likely: Poole et al. (2011) lists E. paradoxa hostplants as Avocado, grape, nectarine, peach and radiata pine which are grown extensively in WA (DAFWA 2006; DAFWA 2014a). Likely: Hely et al. (1982) indicates that E. paradoxa can feed on the stalks of ripening grapes and cause heavy fruit fall. Graptostethus sp. crusader bug Likely: JD Swan (2011, pers. comm.) lists Graptostethus sp. as a pest of Vitis which is grown extensively in WA (DAFWA 2006; DAFWA 2014a). Likely: Chin et al. (2009) indicates that when these bugs swarm, they generally do not feed but may cause physical damage by breaking off stems or cause scratch marks on leaves, flowers or fruit by moving on the plants in such large numbers.
Table%20grapes%20-%20draft%20pest%20categorisation%20report_1.docx