Monthly Archives: January 2016

Fruit/Vinegar Flies

A non-biting fly species, fruit/vinegar flies are commonly found near overripe or fermenting fruits and vegetables.  In addition, breads and other baked goods containing yeast are a common attractant for fruit flies.  The same goes for vinegar, beer, soda and fruit juices.  Larval stages are rarely seen and occur in decaying foods. Once larvae finish […]

Picture-Winged Flies

A family that contains several species, the only Picture-Winged fly found in Colorado is Ceroxys latiusculus.  Approximately the size of a house fly, these flies are typically found inside homes in early fall.
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Much like the Cluster fly, Picture-Winged flies enter structures seeking a place to over-winter; however, a majority of Picture-Winged flies do […]

Cluster Flies – Over-Wintering Pests

Although a majority of residents are adapted to the habit of swatting flies during the summer, many are baffled at the appearance of flies in the autumn and winter months within the home.  Common house flies are not typically active during this time, which leaves residents wondering where the flies are coming from.  Typically, these […]

Drain Flies

Also commonly known as moth flies or filter flies, drain flies are a common household pest.  Small flies at only 1/6 to 1/5 of an inch long drain fly adults are covered in thick dark hairs and are typically dark gray to black in color.  They hold their single pair of wings high above their […]

Fungus Gnats

Ever notice mosquito-sized gnats crawling across the soil surface of your plants or congregated in windows?  You may be experiencing a fungus gnat infestation.  Fungus gnats develop in the soil of houseplants and can become a nuisance in homes.  Worm-like larvae are translucent in color with exception of their head, which is black. Larvae are […]

Biting Flies – Black Flies, Stable Flies & Deer Flies

While mosquitoes are likely the best known of the biting flies, there are numerous other species that bite as well.  Thankfully, in Colorado, mosquitoes are the only species known for transmitting human diseases.  There are however biting flies that can transmit animal diseases.  To humans, the often more important factor in fly bites is that […]

House Flies

At 1/8-1/4 of an inch in length, house flies can be readily identified by the four lengthwise stripes on their thorax, directly behind their head.  Adults cannot bite as their mouth parts are adapted to be utilized in a sponging method which limits them to ingesting only liquid foods.  Solid foods are liquefied by regurgitating […]

Blow Flies

Blow flies are an assorted group of flies that range in size from approximately 6 to 14 mm in length.  In general, this group has a metallic sheen to the bodies in varied colors depending on the species ranging from green to orange to copper.  Blow flies occur throughout the lower 48 states and many […]

Brown-banded Cockroaches

Unlike their relatives the German, Oriental and American cockroaches, brown-banded cockroaches tend towards areas away from water sources.  Warm areas near refrigerator motors are a particular favorite along with high in cabinets and on walls/ceilings.  They can also be found in furniture, dressers, clocks, and radios as well as behind wall hangings, electrical plate covers, […]

German Cockroaches

German cockroaches are one of the most commonly encountered species of roaches.  They hold top priority as far as importance due to their disease carrying abilities.  German roaches are known vectors of numerous types of bacteria, half a dozen parasitic worms and several other pathogens.  They are also responsible for household allergens and are even […]