Phenology Table for Family Perlodidae (Stripetail stoneflies)

Numbers of Specimens Sampled Per Month at Each of Four Elevation Ranges
Meters Elev Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Elev Total
1 to 499m 0 0 0 1 21 11 19 3 4 0 0 8 67
500 to 999m 22 2 6 30 39 172 114 92 70 12 4 41 604
1000 to 1499m 0 0 0 1 1 138 148 40 17 1 4 8 358
1500m or more 0 0 0 0 0 0 3 0 0 1 0 0 4
Totals >>> 25 2 6 32 121 388 286 135 102 20 9 57 1,183

 

 

 

 

* Note: numbers of data records without elevations are included in the totals row.