Milkweed Bug in Shark Valley

"Milkweed bug in Shark Valley Loop Road in Florida"

WILDLIFE PHOTOGRAPHY – SHARK VALLEY, FL

Description:

  • Milkweed bugs are colored orange (or orange-red) and black.
  • They have a long proboscis which they use to pierce the seed and inject salivary enzymes used to digest their food.
  • Legs are delicate.
  • Adult milkweed bugs have full grown wings which cover the abdomen.

Milkweed bugs are usually found in small groups on milkweed plants, often on the underside of the leaves. Milkweed plants sometimes fill entire fields in good years, but usually are found along roadways. The plant produces a milky white sap when a leaf is removed. These plants are large (3-4 feet high) with sprays of small white flowers in the summer. In the fall, seed pods develop which are 4 inches long and 1 1/2 inches wide. When the seeds ripen the seed pods open up releasing the seeds which float on fluffy white parasols. Milkweed bugs can be found on seed pods piercing the wall of the pod to feed on seeds.

Milkweed bugs have few predators because they concentrate in their bodies bad tasting compounds found in the sap of milkweed plants. The bugs use the bright coloration to advertise their bad taste. Inexperienced birds that taste their first milkweed bug are unlikely to try to eat another orange and black insect! Some insects that do not taste bad use similar color patterns to fool birds. These are known as mimics.

Subject Photo exif Data

Camera Make and Model NIKON D90

Photo taken on November 1, 2009, 2:59 am

Focal Length 60mm

Shutter Speed 1/125

Aperture @ƒ/8

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