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Fig. 1 | BMC Evolutionary Biology

Fig. 1

From: The first fossil salmonfly (Insecta: Plecoptera: Pteronarcyidae), back to the Middle Jurassic

Fig. 1

Wing venation of Pteronarcella badia (Hagen, 1874). a-d, Specimen MNHN.EP654 (male), photographs and drawings of left forewing and left hind wing; (e-h), Specimen MNHN.EP657 (female), photographs and drawings of left forewing and left hind wing; (i-m), photos of detail of forewing venation variability; (i), Specimen MNHN.EP655 (male), left forewing; (j), Specimen MNHN.EP656 (male), left forewing; (k).1-K.2, Specimen MNHN.EP658 (female), right and left forewing respectively; (l), Specimen MNHN.EP661 (female), left forewing; (m), Specimen MNHN.EP662 (female), right forewing

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