Strains - Classification by phenotype-

Symbol	Phenotype	Number of related strains
他		7
x	new mutant in analysis	61
w	multi marker line	27
u	pupa & adult	25
t	growth, voltinism, moltinism	24
r	chromosomal aberration	20
p	local cultivar(landrace)	28
o	larvae: translucent skin	41
n	larvae: body shape	30
m	mosaic & malformation	18
l	larvae: body color	24
k	larvae: body color	22
i	larvae: eye-, head-, & tail spot	13
g	larvae: marking	15
f	larvae: appendage & marking	39
e	egg: serosa color	29
d	egg: shape & chorion	38
c	cocoon: color	28
b	cocoon: shape & quality	15
a	lethal: embryo & larvae	20
T	Consomic strain	26
S		8
NBRP	Rearing is easy	3
Total		561