The Migration Trap Model 3212 is very similar to
the Standard 6-m Malaise Trap but insects intercepted
on each side of the baffle are captured separately
allowing determination of flight direction.
This trap was developed by Dr. T. J. Walker
for behavior studies (Migration and re-migration of butterflies
through peninsular Florida: Quantification with malaise traps.
1978. L. Lepidop. Soc. 32: 178-190). The trap features segregated
collection of insects from each side of the baffle in order
to determine flight direction.
Standard Wet/Dry Collection Heads
The
Standard 6-Meter Malaise Trap is a double-headed
trap that comes supplied with two interchangeable polypropylene
wet-and-dry collection heads. When used dry, the catch
will eventually die within the heads from exhaustion
or heat as the bottle acts as a greenhouse. However,
when allowing the catch to die slowly, delicate specimens
tend to be dismembered by the death throws of larger
insects and everything is covered with Lepidoptera scales.
To prevent damage to specimens, you can use the collection
head "Wet" with a killing agent secured within the
bottle. Killing agents can include DDVP,
KNC,
NaCN,
a
fumigating insecticide (like
ethyl acetate), Either 95% ethyl, or isopropyl alcohol.
Optional Alcohol Heads
The optional
alcohol heads are interchangeable and machined from
acrylic and stainless steel. The heads support
the use of isopropyl alcohol which is commonly used
to kill the insects before the specimens are damaged.
The catch is removed by unscrewing the bottles hanging
under the angled collection heads.
Included Items
The Migration Trap Model 3212 includes:
Sun-resistant polyester fabric trap
with and all seams double or triple sewn.
Tie-down rope
Two wet/dry collection heads (P/N 5.10)
Instructions
Options
P/N
Description
5.10
Dry/Wet Collection Heads (pair) for flight traps Models
3012 and 3212.
5.20
Alcohol Collection Heads (pair) for flight traps Models
3012 and 3212.
