a chip on (one's) shoulder An attitude that leads one to become combative or easily angered. Fred has such a chip on his shoulderâyou never know what's going to set him off next. She won't admit it, but Kate has a chip on her shoulder when it comes to discussing her career. See also: chip, on, shoulder *chip on one's shoulder. Fig. a bad attitude that tends to get someone easily upset. (*Typically: get ~; have ~; give one ~.) Why did you get so angry at the slightest criticism? You seem to have a chip on your shoulder. . chip on (one's) shoulder. A habitually hostile or combative attitude. . American HeritageÂ® Dictionary of the English Language, Fifth Edition. Copyright Â© 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
Little black ants are small and dark-brown, black or jet black in color and are a native species found throughout the United States. The workers are as small as 1.5 mm in length, and queens can measure up to 4 mm. Their antennae consist of 12 segments and end in a three-segmented club. Their pedicel, or the ant waist, is two-segmented. Little black ants have no spines, and their thorax is unevenly rounded.
Noting Physical Characteristics. 1  1. Look at the color. Carpenter ants are usually brown or black. 2  2. Note size. As you observe ants, try estimate their size. 3  3. Watch for a round thorax. The thorax refers to the segment of an ant just below its head.  4. Look at the antenna and waist.