SUBFAMILY II. LAK1 1 X.K. 51 



(R. &H., 1910, 112), and taken in numbers by Ilcbai-d at Thoinas- 

 ville, Ga., from beneath bark of dead magnolia (A*. & //., 1004, 

 778). Ranges from Pennsylvania, Southern Ohio (/>//>//>, ("en- 

 tral Indiana and Southern Illinois ((irrltunl), south and west to 

 Columbia, Texas, but usually rare wherever found (Hclxinl, 1017, 

 315) ; from ''New Jersey to Nebraska, Texas and Arizona" (Kcud- 

 tli'r). Serville's types were from Philadelphia. 



II. LABIA Leach, 1815, 118. (Gr., "a holder or forceps.") 



Body flattened, slender, the abdomen slightly widened at mid- 

 dle; head narrow, the sutures subobsolete; eyes small, not as long 

 as first autennal segment; antenna^ about half as long as body, 

 10 13-jointed, the segments obconical, about three times as long 

 as broad; tegmina and wings present in our species; first and 

 third tarsal joints equal, the second minute, simple, compressed; 

 forceps seldom more than half as long as abdomen, those of male 

 slightly or strongly curved, horizontal; of female simple, straight, 

 incurved at tip, usually unarmed. Three species are known from 

 this country. 



KEY TO NORTH AMERICAN SPECIES OF LA1UA. 



o. Tegmina nearly twice as long as pronotum (Fig. 27); forceps of 



female unarmed on lower inner margins. 



6. Legs uniform brownish-yellow; last ventral of male with a promi- 

 nent tooth projecting backward from middle of hind margin. 



5. MINOR. 



66. Legs more or less infuscated throughout and darker at base; last 

 ventral of male unarmed. G. CURVICAUDA. 



aa. Tegmina only slightly longer than pronotum (Fig. 26 a.); forceps of 

 female armed with minute blunt teeth along the lower inner mar- 

 gins. 7. RKIIXI. 



5. LABIA MINOR (Linnaeus), 1758, 423. Little Earwig. 



Body thickly clothed with fine yellowish pubescence. Head and sides 

 of abdomen nearly black; mouth parts, antenna?, thorax, tegmina, exposed 

 parts of wings and middle of upper side of abdomen, yellowish-brown; 

 last segment of abdomen and forceps, reddish-brown; legs and last two 

 joints of antenna? honey-yellow. Antenna? 10 12-jointed. Pronotum sub- 

 quadrate, narrower than head, scarcely longer than broad. Tegmina 

 nearly twice as long as pronotum, the wings, when at rest, extending 

 fully half their length beyond their tips. Forceps of male rather stout, 

 about three-fourths the length of abdomen, minutely toothed on inner 

 edge. Length of body 4 5; of tegmina, 1.5; of forceps, $ , 2, 9 , 1.2 

 mm. (Fig. 27.) 



