Crop Seedling Susceptibility to Armadillidium vulgare (Isopoda: Armadillidiidae) and Ommatoiulus moreletii (Diplopoda: Iulidae)
2017
Douglas, Josh | Macfadyen, Sarina | Hoffmann, Ary | Umina, Paul
The isopod, Armadillidium vulgare (Latreille) (Isopoda: Armadillidiidae), and the millipede, Ommatoiulus moreletii (Lucas) (Diplopoda: Iulidae), are increasingly being reported as pests of emerging broadacre crop seedlings in southern Australia. This is thought to be due to the increased adoption of stubble retention practices, leading to increased abundance of these soil-dwelling organisms. Here, we evaluate the propensity of A. vulgare and O. moreletii to damage a range of crop seedlings. Through the combined analysis of a controlled feeding trial and field reports, we show A. vulgare is able to feed on and damage a range of pulses, legumes, cereals, and oilseeds, as emerging seedlings. O. moreletii had a more restricted range of feeding, being limited to lupin, lucerne, and canola in the feeding trial. These results are discussed in the context of developing pest management guidelines for these species.
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