Thread subject: Diptera.info :: Sapromyzosoma laevatrispina or quadricincta ?
Posted by Paul Beuk on 14-10-2021 07:22
#2
S. laevatrispina mostly three paitrs of spots, two pairs are not unfrequent; S. quadrixcincta either one pair or two pairs. Specimens with two pairs of spots cannot be ID-ed without a look at the genitalia.