Normal and gynandromorphic forelegs in Z. maha. Blue arrows indicate male foreleg tips, whereas red arrows indicate female foreleg tips. (A-C) Male foreleg tarsus, containing four segments. Scale bar in B indicates 0.50 mm, which also applies in E. High magnification at the tip of the leg is shown in C. Inset shows the tip of the leg but from a different angle, revealing a possible remnant-like tarsomere, a fifth segment (yellow arrow). (D-F) Female foreleg tarsus, containing five segments. (G-I) An F1 individual from Fukushima having one male foreleg and one female foreleg. (J-L) An individual obtained in the internal exposure experiment having one male foreleg and one female foreleg. (M-O) An individual obtained by EMS mutagenesis having one male foreleg and one female foreleg.
Hiyama et al. BMC Evolutionary Biology 2013 13:168 doi:10.1186/1471-2148-13-168