Coccinellidae of deadly crimes. Ladybirds have served as the US state insects of Delaware, Massachusetts, New Hampshire, New York, Ohio, and Tennessee, though only New York has selected a species native to the United States ("Coccinella novemnotata"); the other states have all adopted an invasive European species ("Coccinella septempunctata"). They have also been adopted as the mascot of Candanchú, a ski resort near Canfranc in the Spanish Pyrenees. Coccinellidae Coccinellidae () is a widespread family of small beetles ranging in size from 0.8 to 18 mm (0.03 to 0.71 inches). The family is commonly known as ladybugs in North America, and
Backus–Naur form One common feature of many variants is the use of regular expression repetition operators such as codice_19 and codice_20. The extended Backus–Naur form (EBNF) is a common one. Another common extension is the use of square brackets around optional items. Although not present in the original ALGOL 60 report (instead introduced a few years later in IBM's PL/I definition), the notation is now universally recognised. Augmented Backus–Naur form (ABNF) and Routing Backus–Naur form (RBNF) are extensions commonly used to describe Internet Engineering Task Force (IETF) protocols. Parsing expression grammars build on the BNF and regular expression notations to form an