Swallowtail butterfly passed in a pupal diapause stage. As swallowtail butterflies are large, colorful, and attractive, they were once targeted by butterfly collectors. The largest of these, the birdwing butterflies are particularly sought after and are cultured in butterfly farms for the purpose of collectors. Many members of the family feed as larvae on plants of the citrus family, Rutaceae. Some of these attractive butterflies are therefore considered pests in citrus orchards. The Oregon swallowtail is the state insect of Oregon. The eastern tiger swallowtail is the state insect of Virginia and the state butterfly of Georgia, Delaware, and South Carolina. The
Comma used to separate clauses. In English, a comma is used to separate a dependent clause from the independent clause if the dependent clause comes first: "After I fed the cat, I brushed my clothes." (Compare this with "I brushed my clothes after I fed the cat.") A relative clause takes commas if it is non-restrictive, as in "I cut down all the trees, which were over six feet tall." (Without the comma, this would mean that only those trees over six feet tall were cut down.) Some style guides prescribe that two independent clauses joined by a coordinating conjunction ("for",