Archive

diptera

CENTRAL FLORIDA CRITTER OF THE DAY: Syrphid Fly (Syritta flaviventris)

aka Flower Fly / Hover Fly

New to my buggy life list. Seems this one isn’t too common in Florida.  Only two other sightings based on Bugguide.net records.  I believe it is male based on drawings in the Key: https://repository.si.edu/bitstream/handle/10088/17083/ent_FCT_60.pdf?sequence=1

native to so. Europe and Africa, introduced to the US (TX) in 1990s.

Learn: http://bugguide.net/node/view/124554

also, seems that unlike many syrphid fly species, aphids don’t host the larvae but instead the larvae feed on decaying matter from pricklypear.

research on the lifecycle: https://www.eje.cz/pdfs/eje/2000/01/22.pdf

Shown on BUTTONWEED (Spermacoce sp.) may or may not be the one that is native to Florida.

Family Syrphidae – Syrphid Flies
Subfamily Eristalinae
Tribe Milesiini
Subtribe Tropidiina
Genus Syritta
Species flaviventris – Syritta flaviventris

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CENTRAL FLORIDA CRITTER OF THE DAY: Syrphid Fly (Dioprosopa clavata)

Synonyms Pseudodoros clavatus

This beneficial pollinator uses aphids as a larval host and I spotted mom here laying eggs on the Bidens alba.

photo of larvae: https://centralfloridacritteroftheday.wordpress.com/2014/06/15/syrphid-fly-larvae-dioprosopa-clavata/

Also called hover flies or flower flies.

Learn: http://aggie-horticulture.tamu.edu/galveston/beneficials/beneficial-28_hover_or_syrphid_flies.htm

Shown on Florida Native Plant: Bidens alba

My take: http://floridawildlifegardentails.wordpress.com/2015/08/05/aphids-are-good-wait-what/

Take 2: http://floridawildlifegardentails.wordpress.com/2015/08/04/who-are-you-calling-a-caterpillar/

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CENTRAL FLORIDA CRITTER OF THE DAY:  Satellite Fly

Satellite Fly on Oakleaf Fleabane

New to my buggy life list.

A member of the Flesh Flies family (Sarcophagidae)
Subfamily Miltogramminae
Kleptoparasites of wasps. They are called satellite flies because of their habit of tracking sphecid wasps looking for nest provisions. Where ever the wasp goes the fly is sure to follow hovering behind until the wasp finds its prey and brings it to the nest location.

Learn: http://ufdc.ufl.edu/UF00098813/00041/43j

“This group of flies has a rather interesting way of reproducing. Unlike most insects, they don’t lay eggs. Instead of eggs, they lay young larvae which immediately begin feeding. This puts them at an advantage over the wasp eggs, which must incubate a few days to a few weeks before they hatch.”

Learn: https://askentomologists.com/2015/04/01/the-perfect-april-fools-day-post-whats-going-on-in-this-video/

Adults pollinate.

Shown on Florida Native Plant: OAKLEAF FLEABANE (Erigeron quercifolius)


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CENTRAL FLORIDA CRITTER OF THE DAY:  Common Oblique Syrphid Fly (Allograpta sp. likely obliqua)

syrphidflysaltbushnov2016

Also commonly called hover fly or flower fly.  Adults pollinate

larvae are important predators, feeding primarily on aphids. “When larval populations are high they may reduce aphid populations by 70 to 100%”

In turn the larvae is a food source for several species of wasps.

Learn: http://entnemdept.ufl.edu/creatures/beneficial/hover_fly.htm

How to distinguish species: http://bugguide.net/node/view/767641

Shown on Florida Native Plant: GROUNDSEL TREE; SEA MYRTLE (Baccharis halimifolia)

My take: Don’t Swat that Fly
http://web.archive.org/web/20121024114809/http://www.beautifulwildlifegarden.com/dont-swat-that-fly.html

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CENTRAL FLORIDA CRITTER OF THE DAY:  Hairy Maggot Blow Fly (Chrysomya sp.)

Calliphoridae Family (blowflies) My photo didn’t give a clear enough view of the characteristics that would confirm species.  Introduced species.  Potential to cause disease in livestock.  Larval Stage provides significant Benefits in Forensic Medicine

larvae feed on carrion
Adults pollinate
Shown on Florida Native Plant: MUSCADINE GRAPE (Vitis rotundifolia)
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CENTRAL FLORIDA CRITTER OF THE DAY: Bee Killer Robberfly (Mallophora bomboides)

Bee Mimic; diptera; predatory.

Although robber flies are predators, they are sometimes prey for other animals, including spiders, birds, and larger predatory insects like assassin bugs, praying mantids, and even other robber flies. Moles and underground arthropod predators, such as centipedes and ground beetle larvae sometimes eat them. (source: http://www.uky.edu/Ag/CritterFiles/casefile/insects/flies/robber/robber.htm)

Learn: http://entnemdept.ifas.ufl.edu/creatures/misc/flies/bee_killers.htm

Shown on Florida Native Plant: Bidens alba

My take:
Killer on the Loose
https://floridawildlifegardentails.wordpress.com/2016/09/08/killer-on-the-loose/

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