Hoverflies

Collection of species that can be identified in the field
93 Pins
·
12y
By
Glenn
and
Marc Taylor
a close up of a bee on a green leaf
Criorhina ranunculi (male). Bumblebee mimic , mostly black-haired but with red-tailed and white-tailed forms. Swollen, strongly arched hind femur contracts strongly with slender, straight hind femur of other Criorhina.
a fly sitting on top of a piece of wood
Hoverfly (Xylota segnis) #1
Xylota segnis (male). Both sexes have strong isolated erect black spines on ventral surface of hind femur for most of its length. Males have a long spur on the underside of hind trochanter.
a bee sitting on top of a green leaf
Criorhina floccosa
Criorhina floccosa (male). Long tufts of white hair at front corner of tergite 2.
a fly sitting on top of a green leaf
Xylota sylvarum (male). Dense covering of adpressed golden hairs on tergite 4 is characteristic.
a fly sitting on top of a white and yellow flower
Syritta pipiens (male). Sides of thorax strongly dusted. Hind femera greatly swollen.
a close up of a person's hand holding a bee
Pocota personata. Has a particularly small head (about half the width of thorax including hairs).
a bee sitting on top of a green leaf
Criorhina berberina f. oxyacanthae (female). This variety is brown-haired throughout its thorax and abdomen. Thorax is also more brightly hued than typical form. It similar to floccosa but abdomen lacks areas of conspicuous dusting. Actophila is more similar in field but it has a plumose arista and a dark patch on the wing below the stigma.
a bee sitting on top of a green leaf
Criorhina berberina (female). Typical form is brown-haired on most of thorax and hind part of abdomen, with intervening body being black-haired (cf. variety oxyacanthae).
a fly sitting on top of a yellow flower
Tropidia scita (male). Swollen hind femera. Males have orange/red lateral margins on tergites 2 & 3. Females usually have these reduced to paired spots.
a black and yellow insect sitting on top of a piece of wood
Caliprobola speciosa (male). Dark green metallic abdomen with a band of golden hairs across the base of tegites 2, 3 & 4. Long legs which are bright orange on tarsi, tibiae and tips of femora. Face, frons and antennae are also orange, as are wings in the front half, turning to dark brown at the wing tip.
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a close up of a person holding a small insect
Brachypalpus laphriformis (male). Mining bee mimic. Hairy thorax, abdomen only sparsely so. Abdomen black but sometimes with orange at sides of tergites 1 & 2.
a fly sitting on top of a green leaf
Brachypalpoides lentus (male). Black body with blood red-belt across abdomen. Relatively large (10-12 mm)
a black and brown insect sitting on top of a tree
Blera fallax (male). Only medium-sized black hoverfly with red-tipped abdomen and yellow face.
a fly sitting on top of a green leaf
Xylota jakutorum (Pine Leafrunner) - female
Xylota jakutorum (female). Broad grey spots on tergites 2 & 3. On males these are orange/yellow.
a bee sitting on top of a green leaf
Criorhina asilica (female). More narrowly built than three other Chriorhinas. Abdomen glossy black with paired bars of orange or grey dusting on tergites 2, 3 and often 4. Tergite 1 densely grey-dusted throughout.