BL

straight distance from anterior edge of pedicel to tip of abdomen

ThL

distance from anterior notal margin to apex of scutellum

WL

distance from humeral cross vein to wing apex

WW

maximum wing width

a

2nd costal section between subcostal break and R₂₊₃

b

3rd costal section between R₂₊₃ and R₄₊₅

c

M₁ between dm-cu and wing margin

d

d

M₁ between r-m and dm-cu

c

e

CuA₁ between dm-cu and wing margin

f

f

dm-cu between M₁ and CuA₁

e

g

length of heavy setation in 3rd costal section

3CFr

h

length of light setation in 3rd costal section

i

distance between distal ends of R₄₊₅ and M₁

arb

dorsal branches / ventral branches of arista

FW/HW

frontal width / head width

ch/o

maximum width of gena / maximum diameter of eye

prob

proclinate orbital seta / posterior reclinate orbital seta in length

rcorb

anterior reclinate orbital seta / posterior reclinate orbital seta in length

vb

subvibrissal seta / vibrissa in length

dcl

anterior dorsocentral seta / posterior dorsocentral seta in length

presctl

prescutellar seta / posterior dorsocentral seta in length

sctl

basal scutellar seta / apical scutellar seta in length

sterno

anterior katepisternal seta / posterior katepisternal seta in length

orbito

distance between proclinate and posterior reclinate orbital setae
/ distance between inner vertical and posterior reclinate orbital setae

dcp

length distance between ipsilateral dorsocentral setae
/ cross distance between anterior dorsocentral setae

sctlp

distance between ipsilateral scutellar setae
/ cross distance between apical scutellar setae

C

a/b

4c

b/d

4v

c/d

5x

e/f

ac

b/i

M

e/d

C3F

g/(g+h)