Carbaryl use

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bird brain 58
Posts: 5
Joined: Tue Aug 20, 2024 11:24 am
Location: SW Iowa
Martin Colony History: one modified Trio house (12 compartments modified to 6)
16 Troyer vertical gourds with Conley 2 entrances

2020 thru 2022 - visitors
2023 - 2 pair, 8 eggs, 8 fledged
2024 - 3 pair, 13 eggs, 8 fledged. 34 HOSP
2025 - 13 pair, 53 eggs, 46 fledged. 22 HOSP
2026 - added a second Troyer 8 gourd setup. 5 HOSP

Hi all

I'm looking for advice on the best way and time to use Carbaryl to control mites. What has worked for you?

Thanks
Dave
Dave
PMCA member
Conrad Baker
Posts: 754
Joined: Fri Jan 12, 2007 7:43 pm
Location: Paulina, Louisiana

I put it into the compartments when I put the houses up at the beginning of the season. I add more when they are finished nest building and laying eggs. If I see any sign of mites during feeding of the young (after a nest check), I use a puffer to squirt some under each side of the nest.
John Miller
Posts: 4863
Joined: Mon Mar 22, 2004 9:11 pm
Location: St. Louis, MO

I try to do a nest check here in St. Louis in mid to late June, when a lot of the babies are 10 to 15 days but of course the stages of nests will differ. I tap about 1/8 teaspoon (I use long teaspoon) down into couple of corners of nests in gourds, or in houses I might slip it under the nests. As carbaryl supposedly degrades when exposed to humidity, I wonder if doing it earlier works. It's hard to know as mite infestations vary. I usually find most nests do not have visible mites -- but probably have some -- and then one or two out of 10 or so nests will be having a mite bloom. If you have not kept records of nesting progress -- and sometimes I do and sometimes not as much -- be careful. An advanced nest with young 24, 25 days are prone to jumping out prematurely when you lower.
bird brain 58
Posts: 5
Joined: Tue Aug 20, 2024 11:24 am
Location: SW Iowa
Martin Colony History: one modified Trio house (12 compartments modified to 6)
16 Troyer vertical gourds with Conley 2 entrances

2020 thru 2022 - visitors
2023 - 2 pair, 8 eggs, 8 fledged
2024 - 3 pair, 13 eggs, 8 fledged. 34 HOSP
2025 - 13 pair, 53 eggs, 46 fledged. 22 HOSP
2026 - added a second Troyer 8 gourd setup. 5 HOSP

thank you for the info
much appreciated
Dave
PMCA member
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