Blog Archives

Asian Longhorned Ticks Keeps Popping Up

Asian longhorned ticks (ALT) (Figure 1) are small, reddish brown ticks with no distinctive markings to aid in quick recognition. Unfed adults are smaller (3 to 4 mm long) than the other hard ticks that we commonly encounter. The 2017

Posted in Livestock Pests

Rains + Heat = Fly Control Problems

Pasture flies (horn flies and face flies) and confinement flies (stable flies and house flies) need moist breeding materials. Horn flies and face flies develop in fresh cow manure; stable flies and house flies develop in mixtures of manure, decaying

Posted in Livestock Pests

Black Flies

There has been a significant outbreak of black flies in the Arkansas delta this spring (see this article). In Kentucky, these biting gnats were attacking people last week in Jefferson County. Historically, black flies have tormented livestock along streams and

Posted in Livestock Pests

Horn Fly: The $1 Billon Insect

Horn flies are important pests of pastured cattle (Figure 1). They use their piercing-sucking mouthparts to take about 30 blood meals every day. The almost incessant feeding of large populations can severely impact growing calves and lactating cows. Horn flies

Posted in Livestock Pests

Cattle Lice

Lice may be the reason for cattle scratching to the point of rubbing off large patches of hair or creating raw sores. The biting and sucking lice that infest cattle are most numerous and active during winter and can spread

Posted in Livestock Pests

Fly Strike in Calves

Calving presents the opportunity for fly strikes. Fly strike begins when a female blow fly, usually metallic green bottle fly, lays a small batch of oblong white eggs on an attractive site. These scavenger flies do not deposit eggs on

Posted in Livestock Pests

Cattle Grub Treatments

Cattle grubs damage muscle tissue along the back line of cattle and cut holes in the hide to breathe (Figure 1). The results of their handiwork generally do not appear until February, but now is the time to apply the

Posted in Livestock Pests