
WOMERSLEY—MICROTROMBIDIINAE OF AUSTRALIA AND NEW GUINEA 353 
PLATYTROMBIDIUM FUSCIFORME Sp. nov. 
Fig. 37 E-H. 
Description. Adult. Small red species of cordate shape. Length 0-72 mm., 
width 0-42 mm. Legs shorter than body, I 510p, IT 320p, ITI 330n, IV 480u; tar- 
sus I roughly elliptical but highest near the base, 120 long by 75» high, meta- 
tarsus 72y long. Crista linear, 150 long, with subposterior sensillary area and 
paired filamentous sensillae with their bases 214 apart. Hyes relatively large, 





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Fig. 38. Platytrombidium pritchardi (Wom.). A, Crista and eyes (xX 200); B, palp 
(X 200); C, front tarsus and metatarsus (X 200); D, dorsal setae (x 860). 
2-+2, sessile, on distinct ocular shields. Palpal tibia stout as figured, tibia with 
a slender fairly stout external spine, two pectines, strong apical claw and smaller 
accessory claw. Inner edge of chelicerae finely serrate. Dorsal setae of two 
forms and sizes; on the disc short, pointed, ovate and fusiform, to 12” with long 
setules, on sides and posterior end to 20n long, fairly thick, not ovate, with long 
setules, these longer setae also occur about the crista and suture. 
Loc. Nine specimens from soil, Dobodura area of New Guinea, about J uly, 
1944 (G. M. Kohls). 
Remarks. Easily distinguished from the other two species by the dimen- 
sions of the front tarsi and metatarsi and the dorsal setae. 
