Hoverflies and other fly species pollinate over 70% of food crops and wildflowers. In addition, robber flies, hoverflies, and tachinid flies also prey on cabbage loopers. Some wasps have a reputation ...
https://doi.org/10.2307/1536505 • https://www.jstor.org/stable/1536505 This item is openly available as part of an Open JSTOR Collection. For terms of use, please ...