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Winter Night Time flies?

  • 22-12-2017 1:22pm
    #1
    briany
    Registered Users, Registered Users 2 Posts: 14,516 ✭✭✭✭


    It was mild enough last night, and raining gently. I had left the bedroom window open and the bedside lamp on. I must have been absorbed in something else because after a while I suddenly noticed there were about 20 of these small black flies on my bedroom roof, not flying around the room, but bouncing and flitting from one bit of the roof to another. I assumed they must have flown in and were attracted by the light. Bigger than a midge, and somewhat resembling a juvenile housefly, I was perplexed as to what they were.

    After a brief bout with the flyspray, they were all taken care of, but I'm still curious as to what they might have been. Normally, I can leave the window open and the lamp on at night with confidence that very little will fly in, given the time of year, and certainly nothing that resembles a small housefly and apparently attracted to light as these were.


Comments

  • #2
    ytpe2r5bxkn0c1
    Closed Accounts Posts: 32,688 ✭✭✭✭ytpe2r5bxkn0c1


    Just some of many small micro flies about when it's mild. It's not uncommon at this time of year when we haven't had sustained periods of hard frosts.


  • #3
    briany
    Registered Users, Registered Users 2 Posts: 14,516 ✭✭✭✭briany


    Kelly Quaint Tailor wrote: »
    Just some of many small micro flies about when it's mild. It's not uncommon at this time of year when we haven't had sustained periods of hard frosts.

    I've seen smaller flies like these during the day at different times of year, but I was taken aback because these ones were active after dark and appeared to be attracted to the light.

    They weren't fruit flies because the behaviour of fruit flies, that I've seen, is usually that they fly about in the middle of a space somewhat slowly. These ones were congregating on the roof and the tops of the wall.

    Edit: I've attached a hastily taken android phone/toy microscope snap of one such fly. Don't know if this will help with identification, but it's worth a shot.


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