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 splice Comma splice In English grammar, a comma splice or comma fault is the use of a comma to join two independent clauses. For example: The comma splice is sometimes used in literary writing to convey a particular mood of informality. Otherwise, it is usually considered an error in English writing style. Some authorities on English usage consider comma splices appropriate in limited situations, such as informal writing or with short similar phrases. Comma splices are rare in most published writing but are common among inexperienced writers of English. The original 1918 edition of "The Elements of Style" by William Strunk