Synonyms and other taxonomic changes
Loew, 1887 (Original description
Wings: Unmarked (i.e. no conspicuously darkened spots or patterning...can be hyaline to lightly but more or less uniformly infuscated); 1st posterior cell almost always closed at costal margin.
Abdomen: Shiny, with ground color reddish; and with distinct pollinose markings...typically including two lateral spots (each shaped like forward-pointing semi-circles) on tergites II and III. Abdominal hairs black, short, and sparse.
Head: Second antennal segment usually distinctly longer than the third; proboscis usually relatively long, the middle segment frequently nearly the length of the anterior femur.
Southern Canada and United States (Maine to Georgia, West to Washington and California). (1)
Note: M. clausa is the only member of the "curticornis complex" that ranges east of the Rocky Mountains.
A member of the "M. curticornis
complex"...a group of 4 species (M. curticornis, M. clausa, M. perplexa
and M. rubida
) separated by characters that can grade into one another, sometimes making a species ID difficult or unfeasible. See the key (on pg. 99) and Table I (on pg. 102) in Camras(1)
(1953) for identification details.
MCZ type images
for Myopa clausa
Curated images: lateral
; and frontal
... from the Spencer Entomological Museum web site, Univ. of British Columbia.
Lateral and dorsal views
from Conopidae of the World web site.