Tachinid Flies are parasitoids. Females lay fertilized eggs on caterpillars. Newly-hatched and hungry larvae eat the caterpillar to death. Afterward, they pupate and become adults with wings.
Details of the:
Category: Fly or Mosquito
Common name: Tachinid Fly
Scientific Name: Adejeania vexatrix
Size (Adult, Length): 10mm to 20mm (0.39in to 0.79in)
Identifying Colors: orange, red, black, tan
Additional Descriptors: flying, hairy, fat
North American Reach (Though Not Limited To*): Alaska; Arizona; California; Colorado; Idaho; Montana; Nebraska; Nevada; New Mexico; Oregon; Texas; Utah; Washington; Wyoming; Alberta; British Columbia; Mexico
* Keep in mind that an insect's reach is not limited by lines on a map and therefore may appear in areas/regions/states beyond those listed above.