2014 Mosquito Reports

Questions and reports related to Sierra Nevada current and forecast conditions, as well as general precautions and safety information. Trail conditions, fire/smoke reports, mosquito reports, weather and snow conditions, stream crossing information, and more.
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Seldon Pass/Bear Creek - Sierra NF 7/5-7/9

Post by copeg » Wed Jul 09, 2014 12:51 pm

North of Seldon Pass was orders of magnitude worse than south of it. Breezes at the higher elevations offered a few moments of relief here and there
7/5 Sally Keys Lakes: 1-2
7/5 - 7/6: Marie Lake: 3-4
7/6 - 7/7 Bear Creek above 9500' (Rosemarie Meadow/Upper Bear Creek Meadow): 4-5
7/6 - 7/7 Orchid Lake: 4-5
7/6 - Apollo Lake (dayhike): ~3
7/7 - 7/8: Sally Keys Lakes: 1-2 (meadows below might be classified as a 3)

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Mono Pass>Parker Pass 7/5

Post by KathyW » Wed Jul 09, 2014 2:45 pm

7/5/14: Mono Pass Trailhead to Parker Pass/Koip Pass/Koip Peak - Almost Zero even in the trees when there wasn't much of a breeze. When I got back to the trailhead in the evening there were a few of them around, but not many.
Last edited by KathyW on Thu Jul 10, 2014 7:00 am, edited 2 times in total.

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North Fork Big Pine Creek 7/6-7/9

Post by mcsoller » Wed Jul 09, 2014 11:27 pm

North Fork Big Pine Creek 7/6-7/9

0 at the trailhead at Glacier Lodge

2 during day when cloudy or hiking in trees, generally 1 in the sunshine

3 at dusk until nightfall, then 2/1

Weather is warmer and mosquitos are worse than this same time last year in Bishop Pass and Palisade Basin but still not a problem. We didn't need head nets and used deet sparingly. Thanks for this great thread.

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Last edited by maverick on Thu Jul 10, 2014 1:05 pm, edited 1 time in total.
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Re: 2014 Mosquito Reports

Post by shtinkypuppie » Wed Jul 09, 2014 11:31 pm

7/3 Twin Lakes (Sequoia NP, near Silliman Pass) - 3
7/4 Lost Lake (KCNP, near Silliman Pass) - 2
7/5 Roaring River Ranger Station (KCNP) - 1
7/6 upper Deadman Canyon (North of Elizabeth Pass, KCNP) - 1
7/7 Lonely Lake (Sequoia NP) - 2
7/8 Pear Lake (Sequoia NP) - 1
"It is a wholesome and necessary thing for us to turn again to the Earth, and in contemplation of her beauties to know wonder and humility"

- Rachel Carson

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Tuolumne Mead/Snow Creek 7/3-7/6

Post by Pearl » Thu Jul 10, 2014 9:08 am

7/3 & 7/4 Tuolumne Meadows backpacker camp - 2
7/4 through 7/6 Porcupine Flats, Snow Creek Falls area and Mt Watkins - 2
7/6 Lower Snow Creek Falls trail and Mirror Lake area - 5
It was horrible. About halfway down the Snow Creek Falls trail to Yosemite Valley we began to encounter swarms of mosquitoes. No breeze. By the time we got to the trail junction at Mirror Lake there were thousands of swarming biting mosquitoes. I couldn't get out of there fast enough. Mirror Lake is all but dried up and the only water left is breeding grounds for mosquitoes.
Last edited by maverick on Thu Jul 10, 2014 12:07 pm, edited 1 time in total.
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Sabrina Basin 7/6-7/8

Post by Eiprahs » Thu Jul 10, 2014 11:29 am

Sabrina Basin 7/6 thru 7/8:

Trail in, wet areas by creeks, gully with switchbacks just before Blue Lake, 2. Some biting flies when we went in (late afternoon).
Blue, Dingleberry, Midnight, Fishgut Lakes, 2-3 depending on if rocky or wet area.
Trails between lakes and cross country 2-3 depending on vegetation.
Trail junction (in meadow) Midnight Lake and Topsy Turvy Lake trails, mid-day--heavy and aggressive--3-4.

7/8 was drier and warmer than previous days and mosquitos were not as bad. Hiked out at noon--looked like showers moved back in about 3PM.
Last edited by maverick on Thu Jul 10, 2014 12:08 pm, edited 1 time in total.
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Cottonwood Lakes 7/3-7/6

Post by ucangler » Thu Jul 10, 2014 3:14 pm

Cottonwood Lakes Area 7/3 - 7/6

Trail heading to Cottonwood Lakes via Cottonwood Creek Trail : Rated 1.5 -2
Cottonwood Lakes 1,2,3: Rated 3 - 3.5
Cottonwood Lakes 4,5: Rated 2-2.5
South Fork Lakes 1: Rated 4 (only time they disappear is when the wind picks up. Once the wind dies, your dinner if not covered or no deet)
South Fork Lakes 2: Rated 4.5 (Lake is not worth the skeeters)
Trail heading from South Fork Lake back to Trailhead (horseshoe meadows): Rated 1
Last edited by maverick on Thu Jul 10, 2014 3:16 pm, edited 1 time in total.
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Re: 2014 Mosquito Reports

Post by rscofield » Thu Jul 10, 2014 8:40 pm

As of last week in June
Upper Sphinx creek- 4
cement Table Meadow- 4
Big Wet- 2
Colby Lake- 3-4
Upper Kern Basin Trail above HST- 3 to 4 in places

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Sunrise Creek>LYV 7/6-7/10

Post by mblakely » Fri Jul 11, 2014 3:37 pm

July 6-10, 2014
Sunrise Creek at the junction of the JMT and the trail coming south from Tenaya Lake -1
LYV - 1
Last edited by maverick on Fri Jul 11, 2014 3:45 pm, edited 1 time in total.
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Re: 2014 Mosquito Reports

Post by maverick » Fri Jul 11, 2014 3:47 pm

Hi mblakely,

Welcome to HST! Thank you for posting a mosquito report, looking forward to
reading about your trip. :thumbsup:
Professional Sierra Landscape Photographer

I don't give out specific route information, my belief is that it takes away from the whole adventure spirit of a trip, if you need every inch planned out, you'll have to get that from someone else.

Have a safer backcountry experience by using the HST ReConn Form 2.0, named after Larry Conn, a HST member: http://reconn.org

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