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Transcription
Maclean
1967
Journal
11 August
in emergence traps. Although thermometer
inside ↑ and our did not show differences,
the vegetation was definitely taller and
greener inside the traps. Went on to
tsite II; changed the boards and emptied
the can traps, then set 12 more cans
to complete the X and bring the total
to 25. Cans emptied contained 19 tenthreminio
larvae: 10, 8, 9, 11, 11, 19, 14, 15, 9 mm. Picked
up the emergence traps there, as well.
Dropped them on the way in, breaking 2.
No matter—they should be modified to make
them easier to check, anyway. Drove in
as snow was flying. Temperature never
rose much above 350 all day.
Spent the evening in town playing
basketball. We finally won—barely—over
the 9th graders!
12 August
Barrow, Alaska
Counted material under berd'se
funnel, then devoted some thoughts to
quantitative insect sampling next year.
Came up with two reasonable ideas:
1—To relate the tanglefoots to
actual numbers—change the boards
each afternoon and then, at 3 hour
intervals for 24 hours, run tipulio
transects. After 24 hours collect and