700bp deletion around position +2.
lethal | recessive
cuticle
head
parasegment 1
parasegment 2
parasegment 3
parasegment 4
parasegment 5
parasegment 6
parasegment 7
parasegment 8
parasegment 9
parasegment 10
parasegment 11
parasegment 12
parasegment 13
parasegment 14
parasegment 15
Some die as embryos, most as larvae. Unhatched embryos display a range of phenotype: severe head deformation, cuticle holes and variable segmentation defects.