Episyrpbus petilis, Vockeroth J.R., 1973, Vockeroth J.R., 1973

Vockeroth J. R., 1973, Some New or uncommon Syrphini (Diptera: Syrphidae) from Southern Africa, Annals Natal Mus. 21.3.595 - 607. pdf 21 (3), pp. 595-607 : 599

Episyrphus

petilis

n

.

sp

.

has

the

alula

rather

narrow

with

a

slightly

concave

posterior

margin

,

and

the

surstyli

and

superior

lobes

(

figs

2

-

4

,

6

b

,

c

)

are

more

varied

in

shape

than

that

description

indicates

.

E nigromarginatus

.

n

.

sp

.

has

the

wing

almost

entirely

trichose

;

the

other

four

regional

species

,

as

well

as

balteatus

,

have

the

microtrichia

very

nearly

as

in

petilis