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Archive 2016 · Bluebottle fly temperatures

  
 
LordV
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p.1 #1 · p.1 #1 · Bluebottle fly temperatures


On the same morning that I'd been shooting been ice and frozen soap bubbles, I put some drops of sugar mixture on a camellia bush to see if there were any bugs about. Around 11.30am some flies appeared and I measured the temperatures using an infra red thermo- sensor and a shade thermometer.

Shade ground temperature -3.7'C
Shade air temperature + 3.2.C
Camellia leaf in sun + 12.C
Bluebottle fly on leaf in sun + 16.5.C

So the bluebottle flies were surprisingly warm

Brian V.




Jan 23, 2016 at 02:58 AM
e6filmuser
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p.1 #2 · p.1 #2 · Bluebottle fly temperatures


Brian,

Lovely detail.

This compares with honeybees, which will forage down to about 13C and collect water down to about 10C. Theses are air temperatures, not sunny spots. The thresholds will vary with there needs and activity on preceding days.

Harold



Jan 23, 2016 at 03:18 AM
Julian Nell
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p.1 #3 · p.1 #3 · Bluebottle fly temperatures


Cool study and nice shot


Jan 23, 2016 at 09:34 AM
LordV
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p.1 #4 · p.1 #4 · Bluebottle fly temperatures


e6filmuser wrote:
Brian,

Lovely detail.

This compares with honeybees, which will forage down to about 13C and collect water down to about 10C. Theses are air temperatures, not sunny spots. The thresholds will vary with there needs and activity on preceding days.

Harold


---------------------------------------------

Julian Nell wrote:
Cool study and nice shot


Thanks for the comments Harold and Julian
Brian v.




Jan 24, 2016 at 01:47 AM





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