SUBFAMILY IV. MOGOPLISTIN^J. 



669 



II. OLIGACANTHOPUS Rehn & Hebard, 1912a, 218. (C.r., "small" 



+ "thorn" + "feet") 



Very small scaly wingless crickets having the head small, hori- 

 zontal, wider than long, the interanteuual protuberance subde- 

 pressed, broadly rounded, without a dividing sulcus; antenna* 

 very slender, tapering, twice or more as long as body; eyes trian- 

 gular-ovoid, rather prominent; disk of pronotum depressed, sub- 

 quadrate, female, slightly longer than wide, male, its sides nearly 

 parallel, front and hind margins truncate; legs all short; femora 

 unarmed, hind ones feebly dilated; hind tibia- heavy, short, the 

 upper margins minutely serrulate, and apical fourth with three 

 pairs of very short spurs; first hind tarsal joint more than half 

 the length of tibire, minutely serrulate above. Males with sub- 

 genital plate transverse, its apex broadly curved; anal cerci slen- 

 der, tapering, very bristly, as long as hind femora. Ovipositor 

 about two-thirds the length of hind femora, rather stout, its apical 

 third sublanceolate with lower margins very finely serrulate. But 

 one species is known- 

 319. OLIGACAXTHOPUS PROGRAPTUS Rehn & Hebard, 1912a, 219. 



Size small; form depressed. General color pale brown but hidden 

 everywhere except on front of face with a thick coating of silvery and 

 fuscous scales; face between the antennae with four vertical dark brown 

 stripes; antennas and palpi yellowish, their basal portions annulatecl with 

 fuscous; legs all barred or ringed with fuscous scales; abdomen thickly 

 clothed with similar scales interrupted with many silvery ones. Structural 

 characters as given above. Length of body, $ and 9, 6 6.7; of pronotum, 

 1.5 1.7; of hind femora, 3.7 4.2; of ovipositor, 2.5 3 

 mm. Width of pronotum, 1.4 1.6 mm. (Fig. 223.) 



Miami, Fla., March ( Helta nl). Known only 

 from Brickell's Hammock, Miami, on the Atlan- 

 tic Coast and by a single nymph taken by He- 

 bard on Captiva Island, Charlotte Harbor on 

 the Gulf Coast of Florida. Of its habits at 

 Miami Hebard (1015b, 461) says: "A series of 

 57 specimens was taken March 4 !."> by peeling 

 off loose bark on two typical trees of the ham- 

 mock jungles the inkwood, E.roflica /taniritlata 

 Juss. and the pigeon plum, Coccolohix laurifolia 

 Jacq. and on live oaks, (Jucrcnx rirf/iniana Mill 

 Often several trees would be thoroughly exam- 

 ined without success, but usually two or three 

 specimens would be found and rarely six or 

 of 3 ' head Fr T S(i v<Mi, on the same tree. When revealed, the 

 ad (Aftr le iie^ar"fi i thl . v ii 1S(J( ' TS either fell with the bark or re- 



