Updated: January 21, 2019
Berks County, Pennsylvania Butterfly Sightings in 2018
Butterfly walks in Berks County - 2018

Photos of Berks Butterflies from 2012    (2011 photos)

Lancaster County Butterfly Sightings Here

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    The butterfly species with dates recorded have been seen in Berks County, Pennsylvania this year. There are records of 108 species for Berks County. The list below includes all those reported from 2003 through 2017 plus this year, a total of 93. New species (not seen during 2003 - 2017) will be added in red . One species was added in 2013 and another in 2015. No data was collected in 2014.

      Again this year we are recording the first sighting for each month plus a last date for the year in order to have data over the season.  
       If you have a reliable sighting not on this list for 2018, please send an email to . If you are not sure and have a photograph, please send it. We appreciate your help. 

Sightings in 2018 - 65 species, (December 1, November 5, October 17, September 35, August 43, July - 49, June - 20, May - 21, April - 9, March - 0, February - 1, January - 0)
(Latest new for year sightings: ----- .)
(Last species seen: Comma on December 21.)
Updated 1/21/19
THIS YEAR'S CONTRIBUTORS (17) are listed at the bottom of the page.
Some highlights for 2018.
Tony Schoch observed a Monarch on 7 May 2018 (Last year 1st date was 3 June).
Ryan Woolwine spotted a Dusted Skipper seen by 8 others at the Green Hills Preserve on June 2, 2018. This was on a Mengel/Baird sponsored Butterfly Walk. This walk will be held again on June 1, 2019.
Ryan Woolwine found a Silvery Checkerspot at his home on 4 August 2018. This is the first sighting in Berks since the sightings page was started in 2003 and the "Monroe and Wright" field guide map shows no sightings in the past 20 years.
Mike Slater and others observed a Harvester at Nolde Forest EEC on Susan Munch's Botany Walk on August 29, 2018. It landed on the observers and was sipping perspiration. The last Harvester recorded in Berks was October 6, 2015.
Lois Vedock photographed an Ocola Skipper in her habitat garden on October 2. The last sighting of this butterfly in Berks County was October 12, 2015.
The last butterfly seen this year (as of Dec 21) is a Comma seen December 21 by Lisa Miller at Nolde Forest. This is a new late date for this species for Berks County. For a few days it was also the latest date for Pennsylvania as well.

 The day of the first sighting is listed for each month plus the last date for the year.

Family HESPERIIDAE Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Last
1 Silver-spotted Skipper 10 1 3 1 1 2 Oct 7
2 Long-tailed Skipper
3 Hoary-edged Skipper
4 Northern Cloudywing 19
5 Dreamy Duskywing  2
6 Sleepy Duskywing 28
7 Juvenal's Duskywing 
8 Horace's Duskywing  20 6
9 Wild Indigo Duskywing 2 14 1 1 Sep 1
10 Common Checkered Skipper  26 14 26 1
11 Common Sootywing 14 16
12 Swarthy Skipper
13 Least Skipper  17 2 1 1
14 European Skipper 
15 Fiery Skipper  9 Oct 10
16 Leonard's Skipper
17 Cobweb Skipper 
18 Indian Skipper
19 Peck's Skipper  15 1 2 Sep 2
20 Tawny-edged Skipper 28 1 4 Sep 4
21 Crossline Skipper 28
22 Long Dash 
23 Northern Broken Dash 
24 Little Glassy Wing 1 Jul 16
25 Sachem 25 11 15 1 1 6 4 Nov 4
26 Delaware Skipper  15 3 Aug 3
27 Mulberry Wing
28 Hobomok Skipper  3 Jun 3
29 Zabulon Skipper  26 2 1 6 1 Sep 16
30 Broad-winged Skipper 11 Aug 11
31 Black Dash 
32 Dun Skipper  1 1 2 Sep 3
33 Dusted Skipper  2 Jun 2
34 Ocola Skipper 2 Oct 10
35 Pepper and Salt Skipper
Family PAPILIONIDAE Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Last
36 Pipevine Swallowtail  4 Sep 4
37 Zebra Swallowtail  3 Jul 9
38 Black Swallowtail