Fig. 5 in Life History Of The Stonefly Isogenoides Zionensis (Plecoptera: Perlodidae) From The San Miguel River, Colorado

Fig. 5. Average growth of 250 ♂, 226 ♀ and 375 field collected and laboratory hatched early instar I. zionensis nymphs from San Miguel River, CO, 1999-2000. Vertical bars = standard deviation, triangle = emergence (June 20th to July 9th) and vertical arrow = oviposition (3-6 July, 1999). 2001 lab cohort egg mass (N=368) underwent an approximate 8 month diapause (June 26th, 1999 to March 6th, 2000).Published as part of Sandberg, John B. & Stewart, Kenneth W., 2005, Life History Of The Stonefly Isogenoides Zionensis (Plecoptera: Perlodidae) From The San Miguel River, Colorado, pp. 21-32 in Illiesia 1 (4) on page 29, DOI: 10.5281/zenodo.475446