The Fatty Acid Compositions of Phospholipids and Triacylglycerols from Two Chinch Bug Species \u3ci\u3eBlissus leucopterus leucopterus\u3c/i\u3e and \u3ci\u3eB. iowensis\u3c/i\u3e (Insecta: Hemiptera; Lygaeidae) Are Similar to the Characteristic Dipteran Pattern

1. The fatty acid compositions of phospholipids and triacylglycerols prepared from whole chinch bugs Blissus leucopterus leucopterus and B. iowensis were analyzed. 2. The fatty acid profiles from these insects are different from those from all other insect groups so analyzed, except most Diptera. 3. The major components include 16:0 and 18:0, high proportions of 16:1 and 18:1 and low proportions of polyunsaturated fatty acids. 4. The fatty acid profiles were similar for several categories from both species of chinch bugs, including adult males and females, prediapausing and diapausing adults, and nymphs