Please note: Due to a scheduled server maintenance, BOLD Systems will be offline on Monday Sep 22, 2025 from 3:00 PM to 4:00 PM EDT. Thank you for your patience and understanding.
You've been logged out. Click here to log back in.
full article at Wikipedia
![(Chrysotoxum intermedium_B - UM_AAHH_00028) @11 [ ] BY-NC-SA Unspecified University of Montpellier](http://v3.boldsystems.org/pics/_w300/UMAAI/DSC_3889%2B1618516600.JPG "(Chrysotoxum intermedium_B - UM_AAHH_00028) {} [ ] BY-NC-SA")
![(Eristalinae - 10JSROW-0809) @17 [ ] CreativeCommons - Attribution (2010) CBG Photography Group Centre for Biodiversity Genomics](http://v3.boldsystems.org/pics/_w300/JSDIP/10jsrow-0809%2B1292532502.jpg "(Eristalinae - 10JSROW-0809) {} [ ] CreativeCommons - Attribution (2010)")
![(Microdontinae - CNC DIPTERA 106171) @16 [ ] CreativeCommons - Attribution (2011) CNC/CBG Photography Group Centre for Biodiversity Genomics](http://v3.boldsystems.org/pics/_w300/CNCDB/CNC_DIPTERA_106171%2B1312295156.JPG "(Microdontinae - CNC DIPTERA 106171) {} [ ] CreativeCommons - Attribution (2011)")
![(Pipizinae - CNC DIPTERA 2846) @15 [ ] CreativeCommons - Attribution (2011) CNC/CBG Photography Group Centre for Biodiversity Genomics](http://v3.boldsystems.org/pics/_w300/CNCDB/CNC_DIPTERA_2846%2B1313174700.JPG "(Pipizinae - CNC DIPTERA 2846) {} [ ] CreativeCommons - Attribution (2011)")
![(Syrphinae - CHU06-SYR-006) @17 [ ] CreativeCommons - Attribution Non-Commercial (2010) Jeffrey H. Skevington Agriculture and Agri-Food Canada](http://v3.boldsystems.org/pics/_w300/MHSYR/IMG_1339%2B1162835270.JPG "(Syrphinae - CHU06-SYR-006) {} [ ] CreativeCommons - Attribution Non-Commercial (2010)")
![(syrphJanzen01 - 13-SRNP-19599) @11 [ ] CreativeCommons - Attribution Non-Commercial Share-Alike (2014) Daniel H. Janzen Guanacaste Dry Forest Conservation Fund](http://v3.boldsystems.org/pics/_w300/BLPEF/13-SRNP-19599-DHJ571323%2B1389902334.jpg "(syrphJanzen01 - 13-SRNP-19599) {} [ ] CreativeCommons - Attribution Non-Commercial Share-Alike (2014)")
