50 FAMILY I. FORFICULID.E. THE EARWIGS. 



KEY TO GEXERA OF SUBFAMILY LABIIX.E. 



a. Cheeks as viewed from above shorter than the eyes. (Fig. 26, b) ; 

 sixth antennal joint much shorter than the first. I. VOSTOX. 



aa. Cheeks as viewed from above as long as or longer than the eyes (Fig. 

 26, c.) ; sixth antennal joint as long as, or but slightly shorter than, 

 the first. 



ft. Body pubescent; fourth antennal joint cylindrical, as long as 

 third (Fig. 25, a.) ; smaller, not over 7 mm. in length, including 

 forceps. II. LABIA. 



t>b. Body glabrous; fourth antennal joint more or less conical, dis- 

 tinctly shorter than third (Fig. 25, b.) ; larger, 8 to 10 mm. 

 in length, including forceps. Ill- PROLABIA. 



I. VOSTOX Burr, lOlla, 59. (Without meaning.) 



Body flat, long, slender, the sides of abdomen straight; head 

 broad, the sutures strong and deep; eyes large, prominent, longer 

 than the first antenual segment ; antenme 14 15 jointed, the first 

 joint no longer than 4th and 5th together; tegmina and wings 

 present; tarsi long and slender, the first joint longer than the 

 next two united; second and third abdominal segments with lat- 

 eral folds; forceps of medium length, nearly straight, their legs 

 not crossed at tips. "Allied to tiponyipliora but differs in the 

 smaller stature, longer and more slender tarsi with shorter sec- 

 ond and longer first segments." (Burr, 1911, 51). One species 

 is known from the United States. 



4. VOSTOX BRUNNEIPENNIS (Serville), 1839, 30. Brown-winged Earwig. 



Head, thorax and tegmina almost black, shining; abdomen, forceps 

 and under surface dark chestnut brown; exposed portion of inner wings 

 half the length of tegmina, yellow, dark brown at tips; legs brownish- 

 yellow; antennae pale brown. Forceps stout, tapering, pointed, incurved 

 near tips, their legs crenulate along the lower inner edge and in male 

 armed with a more or less prominent tooth at or in front of middle; in 

 female with a large quadrate tooth at basal fourth. Length of body, 8.5 

 9.5; of tegmina, 2.2; of forceps, 3 4 mm. 



Marion Co., Ind., Nov. 10 19, 1917; one male, three females 

 and two nymphs taken by Philip Spong from beneath bark of 

 dead beech. The male has the right leg of forceps only three- 

 fourths the length of left one, and lacking the usual median tooth. 

 Dunedin, Fla., Dec. 3 and Jan. 1, four females from beneath the 

 close fitting bark of dead water oak, five feet above the ground; 

 Okeechobee City, Fla., March 6, a dozen or more beneath bark of 

 dead maple in a former cypress swamp. (W. 8. B.) Recorded 

 also from St. Augustine, Palatka, Ormond and Enterprise, Fla. 



