386 



Annals Entomological Society of America [Vol. XIII, 



Trombicula splendens Ewing. As indicated in its specific name, 

 this species has a splendid appearance, which is given to it by its wonder- 

 ful coat of feathery hairs. It is more beautiful than our other species, 

 yet it can hardly be said to be more attractive than the Japanese 

 ^'kedani" adult. The cephalothorax is triangular in outline, with the 

 crista extending for its entire length. Carina of crista much reduced 

 and chiefly confined to the pseudostigmatic area, which is triangulair in 

 general outline. Posterior lobes of speudostigmatic area evenly 

 rounded behind and situated approximate to the median line. Pseudo- 

 stigmatic hairs, or sense sets, simple or with exceedingly inconspicuous 

 barbs and situated inside of pseudostigmata and, therefore, not arising 

 from them. Eyes just lateral and posterior to pseudostigmata. They 

 are not well developed, the corneas being thin and inconspicuous. 



Fig. 2. Trombicula splendens Ewing; a, seta from dorsum of abdomen, X 900; 

 b, dorsal view of cephalothorax, X 375; c, last two segments of front leg, 

 side view, X 125. 



Palpi longer than first two segments of leg I ; thumbs cylindrical and not 

 exceeding the palpal claw. Abdomen strongly constricted as usual and 

 well clothed with long and strongly pectinate setae. Each seta arises 

 from its pedicellate disc and is provided with barbs for its entire length; 

 at its tip the barbs somewhat smaller; tip never thickened. First pair 

 of legs as long as body, excluding the beak; tarsus somewhat cone- 

 shaped, one and forty hundredths times as long as tibia. Second and 

 third pair of legs about two-thirds as long as first pair. Last pair of 

 legs just reaching the tip of the abdomen. Length of body, including 

 beak, about 1.00 mm.; width about 0.56 mm. 



From Portage, Wisconsin, September 2, 1909; on under side 

 of stones on ground; by the writer. 



About half a dozen adults of this species were taken. The 

 type is in the writer's private collection, but the paratypes are 

 deposited in the American Museum of Natural History, New 



