next message in archive
no next message in thread
previous message in archive
previous message in thread
Index of Subjects
Index of Subjects The mayfly was outside and its direction was towards the lake when I observed its behavior. So possibly it did aim for the polarized light. Interesting suggestion. Nancy Sent from my iPhone On 2013-07-19, at 6:19 PM, David & Alison Webster <dwebster@glinx.com> wrote: > Just a guess but aquatic insects, at mating/egg laying stage, tend to be attracted by polarized light because this means open water. > Yt, Dave Webster, Kentville > ----- Original Message ----- From: "nancy dowd" <nancypdowd@gmail.com> > To: "naturens" <naturens@chebucto.ns.ca> > Sent: Friday, July 19, 2013 2:44 PM > Subject: [NatureNS] directional mayfly > > >> This mayfly (Ephemeroptera) landed on my shirt Wednesday evening. It >> is possibly one of the burrowing mayflies (Ephemeridae). Perhaps >> someone knows its ID: >> http://www.flickr.com/photos/92981528@N08/9319239733/ >> >> I nudged it onto a paper to show its 2 tail filaments using the flash: >> http://www.flickr.com/photos/92981528@N08/9319237905/ >> >> The really interesting thing about this mayfly was how it maintained >> its direction. Every time I moved the paper for a better view it would >> immediately move back to its original bearing (approximately south) >> just like a compass needle. I have no idea what it could be orienting >> towards (direction, sun, wind, smell) or if this is normal for >> mayflies and perhaps other insects that emerge en masse to breed (such >> as flying ants). >> >> Nancy >> >> >> ----- >> No virus found in this message. >> Checked by AVG - www.avg.com >> Version: 2013.0.3349 / Virus Database: 3204/6490 - Release Date: 07/14/13 >
next message in archive
no next message in thread
previous message in archive
previous message in thread
Index of Subjects