Efficacy of various Malathion 25 WP concentrations against D. mali adults. Efficacy of various insecticides against D. mali early and late instar larvae. Treatment descriptions are listed in the plot area and correspond to those on the x-axis from left to right. The female antennae are about one-third their body length and the antennal setae are shorter than males. Male antennae are approximately two-thirds their body length and the setae are at least twice the length of female setae.
Females have a filiform type antennae whereas males have a moniliform configuration.
Apple leaf midge antennae. Male D. mali perform a distinctive precopulatory behaviour when presented with an excised virgin female ovipositor. This behaviour is also prevalent before copulation and is common among cecidomyiids. Typical download time for this video is 3 to 5 minutes. Click here to download a version of QuickTime to run the MOV file.