L: 5-8 mmcharacteristics: In Pipizini the face is flat (no projecting mouth margin) and covered in long, drooping hairs, whereas in Rhingiini (e.g.
Cheilosia) the face is bulbous with a nose above the mouth [comment by Sundewvia diptera.info, 12/2017], i.e. the face is short, antennae are inserted at the middle of the face. The abdomen shows 4 rectangular yellow patches. distribution: holarctic (Europe & North America) s.
bugguide.net/node/view/773667The imagines fly from April till July, The species is scattered in the north and abundant (not common) in the south.biology: larvae prey on aphids (Wurzelluse!?) Phylum: Arthropoda LATREILLE, 1829 (Arthropods, Gliederfer)Subphylum: Hexapoda BLAINVILLE, 1816 (Sechsfer)Class: Insecta LINNAEUS, 1758 (insects, Insekten)Subclass: Pterygota LANG, 1888 (Fluginsekten)Infraclass: Neoptera MARTYNOV, 1923Order: Diptera LINNAEUS, 1758 (true flies, mosquitoes & gnats, Fliegen & Mcken)Suborder: Brachycera SCHINER, 1862Infraorder: Muscomorpha [Syn.: Cyclorrhapha]Superfamily: SyrphoideaFamily: Syrphidae SAMOUELLE, 1819 (hoverflies or flower flies, Schwebfliegen)Subfamily: Eristalinae NEWMAN, 1834 (drone flies)Tribus PipiziniGenus:
Pipiza FALLN, 1810[det. Bernhard Jacobi, 2012, based on this photo]
Pipiza quadrimaculata PANZER, 1804 (Waldrandschwebfliege)[det. D & JP Balmer, 2012, based on this photo]more info:
en.wikipedia.org/wiki/Pipiza_quadrimaculataen.wikipedia.org/wiki/PipiziniSE-Germany, Bavaria, Bayrischer Wald: vic. Spiegelau, 700-1000m asl., 18.05.2012IMG_0590
