Eristalinae are one of the four subfamilies of the fly family Syrphidae, or hoverflies. A well-known species included in this subfamily is the dronefly, Eristalis tenax.
Sercomyia are large flies with species that are bee mimics both short pile and long pile. Sericomyiine flower flies are common in boreal forests across the Holarctic region and southward at higher elevations into the Oriental and Neotropical regions. Sericomyia species have larvae of the rat-tailed maggot type, often found in ponds rich in decomposing vegetation where they filter out microorganisms as their food
Sericomyia chrysotoxoides ,, the Oblique-banded Pond Fly , is a common species of syrphid fly observed across the eastern half of North America and in the Rocky Mountains. Syrphid flies are also known as Hover Flies or Flower Flies because the adults are frequently found hovering around flowers from which they feed on nectar and pollen. Adults are 9.6–1,315.3 mm (0.38–51.78 in) long, black with yellow bands, less prominent in the male. The larvae of this genus are known as rat tailed maggots for the long posterior breathing tube.
Sericomyia militaria, commonly known as the narrow-banded pond fly, is a common species of syrphid fly observed across northern North America. Syrphid flies are also known as Hover Flies or Flower Flies because the adults are frequently found hovering around flowers from which they feed on nectar and pollen. Adults are 11.7–17.1 mm (0.46–0.67 in) long, mostly black with narrow yellow abdominal markings. The larvae of this genus are known as rat tailed maggots for the long posterior breathing tube.
Neoascia metallica, the Double-banded Fen Fly, is a common species of syrphid fly observed across North America. Hoverflies can remain nearly motionless in flight. The adults are also known as flower flies, for they are commonly found on flowers, from which they get both energy-giving nectar and protein-rich pollen. The larvae are aquatic.
Myolepta strigilata, the Scaled Pegleg, is an uncommon species of syrphid fly observed in the eastern and central United States. Hoverflies can remain nearly motionless in flight. The adults are also known as flower flies for they are commonly found on flowers, from which they get both energy-giving nectar and protein-rich pollen. The larvae of this genus have been found in rot holes of deciduous trees.
Eristalis transversa, the transverse banded drone fly, is a common species of syrphid fly first officially described by Wiedemann in 1830. Hoverflies get their names from the ability to remain nearly motionless while in flight. The adults are also known as flower flies for they are commonly found around and on flowers, from which they get both energy-giving nectar and protein-rich pollen. The larvae are rat-tailed type but larvae of this specific species has not been reported.
Sericomyia lata , the White-spotted Pond Fly , is a common species of syrphid fly observed across North America, concentrated in the east. Syrphid flies are also known as Hover Flies or Flower Flies because the adults are frequently found hovering around flowers from which they feed on nectar and pollen. Adults are 11.6–15.2 mm (0.46–0.60 in) long and black with large white abdominal spots. The larvae of this genus are known as rat tailed maggots for the long posterior breathing tube.
' Paragus angustifrons, the Narrow-faced Grass Skimmer, is an uncommon species of syrphid fly observed throughout North America. Hoverflies can remain nearly motionless in flight. The adults are also known as flower flies for they are commonly found on flowers from which they get both energy-giving nectar and protein-rich pollen. The larvae have been reared from Aphis spiraecola and Aphis spiraephila.
Parhelophilus flavifacies , the Black-legged Bog Fly, is a rare species of syrphid fly observed in the Eastern United States and Canada. Hoverflies can remain nearly motionless in flight. The adults are also known as flower flies for they are commonly found on flowers, from which they get both energy-giving nectar and protein-rich pollen. The larvae are the long tailed "rat-tailed" type.
Temnostoma venustum , the Black-banded Falsehorn , is a rare species of syrphid fly observed in the northeastern United States and adjacent Canada. Hoverflies can remain nearly motionless in flight. The adults are also known as flower flies for they are commonly found on flowers, from which they get both energy-giving nectar and protein rich pollen. Temnostoma adults are strong wasp mimics The larvae burrow in moist decayed wood.
Criorhina nigriventris , the bare-cheeked bumble fly, is an uncommon species of syrphid fly observed across the northern United States, the Appalachian Mountains and southern Canada. Hoverflies can remain nearly motionless in flight. The adults are also known as flower flies for they are commonly found on flowers, from which they get both energy-giving nectar and protein-rich pollen. The larvae of this genus are found in decaying wood.
Sericomyia bifasciata, the Long-nosed Pond Fly, is an uncommon species of syrphid fly. They have been observed from the northeastern part of North America. Hoverflies get their names from the ability to remain nearly motionless while in flight. The adults are also known as flower flies for they are commonly found around and on flowers, from which they get both energy-giving nectar and protein-rich pollen. The larvae in the genus Sericomyia are known as the rat-tailed with a long breathing tube taylored for aquatic environments. The larvae for this species are unknown.
Platycheirus inversus, also known as the knobfoot sedgesitter, is a rare species of syrphid fly observed in Northeastern North America. Hoverflies can remain nearly motionless in flight. The adults are also known as flower flies for they are commonly found on flowers, from which they get both energy-giving nectar and protein-rich pollen. Larvae are aphid predators.
Platycheirus normae, the paddlearm sedgesitter, is a rare species of syrphid fly observed in northeastern North America. Hoverflies can remain nearly motionless in flight. The adults are also known as flower flies for they are commonly found on flowers, from which they get both energy-giving nectar and protein-rich pollen. Larvae are aphid predators.
Platycheirus scamboides, the yellowspine sedgesitter, is a rare species of syrphid fly observed in northeastern North America. Hoverflies can remain nearly motionless in flight. The adults are also known as flower flies for they are commonly found on flowers, from which they get both energy-giving nectar and protein-rich pollen. Larvae are aphid predators.
Platycheirus varipes is a rare species of syrphid fly observed in Northern Europe: Norway, Sweden, Finland; Greenland; central Asiatic Russia; and in North America from Alaska and Canada south to Colorado, via mountain chains.
Heringia calcarata, the opaque spikeleg, is an uncommon species of syrphid fly observed in North America Hoverflies can remain nearly motionless in flight. The adults are also known as flower flies for they are commonly found on flowers from which they get both energy-giving nectar and protein rich pollen. Larvae are aphid predators.
Pipiza puella, the sumac gall pithead, is a species of syrphid fly observed in eastern and Central United States, Canada and Norway. Hoverflies can remain nearly motionless in flight. The adults are also known as flower flies for they are commonly found on flowers from which they get both energy-giving nectar and protein rich pollen. Larvae when known are aphid predators.
Trichopsomyia banksi ,the white-faced psyllid killer, is an uncommon species of syrphid fly observed across North America. Hoverflies can remain nearly motionless in flight. The adults are also known as flower flies for they are commonly found on flowers from which they get both energy-giving nectar and protein-rich pollen. Larvae are unknown but other members of this genus are psyllid, aphid and Phylloxera predators.
