Phenology Table for Species Rhithrogena species (Flat-headed mayfly)

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 0 4 0 0 1 3 0 0 0 8
500 to 999m 4 1 0 0 0 8 10 15 11 1 0 0 50
1000 to 1499m 0 0 0 0 0 4 10 1 2 0 2 0 19
1500m or more 0 0 0 0 0 0 0 0 0 0 0 0 0
Totals >>> 4 1 0 0 9 15 22 17 16 1 3 0 88

 

 

 

 

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