856 DIPTERA OF AUSTRALIA, 



Hob. — Mossman's Bay, near Sydney (Skuse). A pair in copula 

 in August. 



Ohs. — Readily distinguished from L. luctuosa by tlie lighter 

 thorax destitute of stripes, dark legs, greyish-tinted wings, dark 

 veins, and length of praefurca and first sub-marginal cell. 



362. LiMNOPHiLA Lawsonensis, sp.n. (PL xxii., fig. 28). 



(J. — Length of antennae .... 0-640 inch ... 16*25 millimetres. 



Expanse of wings 0-260 x 0-065 ... 6-62 x 1-66 



Size of body 0-210x0-035 ... 5-33x0-88 



9. — Length of antennae 0-080 inch .. 2-02 millimetres. 



Expanse of wings 0-270x0-065 ... 6-85x1-66 



Size of body ,... 0-270x0-035 ... 6-85x0-88 



Head brown, with a somewhat yellowish-grey bloom ; rostrum, 

 palpi and antennae brown ; ^ antennae more than three times the 

 length of entire body, setaceous, densely clothed with very short 

 almost erect pubescence ; the incisions between the first few 

 flagellar joints yellowish, the rest not distinguishable ; ^ antennae 

 short, exactly reaching origin of wings if bent back ; the second 

 basal joint reddish-fulvous, and the first seven or eight flagellar 

 joints reddish-yellowish at the tip ; first flagellar joint one-third 

 longer and distinctly thicker than the second ; remaining joints 

 gradually decreasing in length, those towards the tip sub-elliptical. 

 Thorax brown, levigate, marked with several short stripes of 

 greyish or yellowish-grey bloom ; pleurae slightly hoary ; scutellar 

 pits distinct, blackish. Halteres ochreous-yellow, the stem very 

 slightly inf uscated. Abdomen brown, clothed with yelloAvish hairs ; 

 genitalia reddish-testaceous ; ^ forceps with two pairs of short 

 movable appendages; the outer one sub-clavate, serrate on the out- 

 side towards and at the tip ; inner one arcuate (PI. xxiv., fig. 64) • 

 5 ovipositor long, almost straight. Coxae, femora and tibiae 

 testaceous to brownish-ochreous 3 the femora with a broad ring of 



