Assertion: imported fire ant | /r/HasProperty | vinson
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Source sentences:
text: This is a very effective treatment but does present problems because (1) some of the bait may be dropped where the ants may not find it, (2) some colonies are well fed so do not feed upon the bait, (3) some baits are light sensitive (as with hydramethylnon) and may inactivate before discovery by the ants, and (4) the baits are not specific to the imported fire ant (Vinson and Sorenson 1986).