1947] 
Acarina from North Carolina 
115 
taclied to upper tip. Genital opening a little broader 
in front than long, about one and one-half its length in 
front of the much larger anal opening, latter wider behind 
than in front, which is slightly bilobed, borders of coxae 
three distinct, but no evident hind border to hind coxae. 
Length .3 mm. 
From Duke Forest, Durham, N. Carolina (Pearse), 
numbers 475, 433, and 238. Type M.C.Z. Arachn. 3019. 
Tribe Oribatini 
This tribe, which includes typical Oribata (Damaeus), 
Belba, etc., may be divided into two sections, those with 
the front tibia normal (Oribata, Belba, etc.) and those in 
which the front tibiae are extended over the base of the 
tarsus, and the tarsus shortened. In this collection are 
three genera which belong to this second section; they 
can be tabulated as below. 
1. Abdomen about as broad as long, sides rounded ; tec- 
topedia not behind but beneath second trochanters ; 
legs not slender, most joints without any swollen 
part ; rather broad, patella narrow on short apical 
part, sides of tibiae parallel; the claws borne on a 
stalk to tarsus Allodamceus 
Tibiae narrowed at base, patellae with parallel sides ; 
abdomen broader than long, claws not on a long 
stalk ; tectopedia behind second trochanters just as 
behind first trochanters 2 
2. Sides of abdomen nearly parallel, legs very long and 
slender, much longer than entire body; ventral 
openings united, borders of second and third coxae 
nearly reaching middle of venter Gymnodamceus 
Sides of body convex, legs scarcely as long as body; 
ventral openings well separated, borders of second 
and third coxae not reaching half-way to middle of 
venter Jacotella 
Jacotella gen. nov. 
This is based on a small, short-legged species described 
as Gymnodamceus quadricaudiculus 1 by Jacot. Instead 
i Jour. N. Y. Ent. Soc., 45: 356, 1937. 
