Figure 1

Phenotype and appendage morphology of the wild type and Wes mutant. (a) Eye-spot of +^Wes/+^Wes. Bar=1 cm. The arrowhead indicates the eye-spot. (b) Head of the Dazao embryo. Bar=200 μm. (c) Antenna of Dazao. Bar=50 μm. (d) Eye-spot of Wes/+^Wes. Bar=1 cm. The arrowhead indicates the eye-spot. (e) Head of the Wes/Wes embryo. Bar=200 μm. The arrowhead indicates the antennae-like appendages. (f) Enlargement of the antennae-like appendages in (e). Bar=50 μm. (g) Thoracic segments of the Dazao embryo. Bar=500 μm. (h) Enlargement of the same embryo in (g). Bar=100 μm. (i) Enlargement of the thoracic leg on T1. Bar=100 μm. (j) Thorax of the Wes/Wes embryo. Bar=300 μm. (k) Enlargement of the same embryo in (j) as indicated by the the straight line. Bar=100 μm. (l) Enlargement of appendage h in (k). Bar=50 μm. T1, prothoracic segment; T2, mesothoracic segment; T3, metathoracic segment; a, antenna; c, crochet.