Pegomya disticha Griffiths, 1983

Michelsen, Verner & Palmer, Michael W., 2020, Pegomya disticha Griffiths and P. cedrica Huckett (Diptera: Anthomyiidae) - first documented case of insects trespassing the silica barrier of Common scouringrush, Equisetum hyemale L., Zootaxa 4718 (3), pp. 355-370 : 357

Pegomya disticha Griffiths, 1983

( Figs 1 A‒F, 2A‒D, 4A‒D, 6A‒F, 8A, 9A, B, 10A, C)

Figures

FIGURE 1. Pegomya disticha Griffiths. A. Study site with patch of Common scouring-rush, Equisetum hyemale L.. B. Eclosed egg inside nodal sheath. C.1st instar larva at base of internodal chamber. D. 2nd instar larvae at base of two successive internodes. E. 3rd instar larva at base of internode with feeding canal through parenchymal “gall tissue”. F. Isolated live 3rd instar larva.