DURHAM DIPTERA. I 75 



XXVIII. 278. 

 278. Chilosia, Mg. 



Larvae have been reared from fungi, also from stems and 



roots of plants. 



Males (Eyes touching). 



1 (14). Eyes bare. 



2 (7). Legs black, at most the knees narrowly yellow. 



3 (4). Third antennal joint pale reddish yellow; abdomen 



with grey spots. 



1453. Chilosia maculata, Fin. 

 Belburn, 5 $, 9-6-98, 3 $, 12-6-99. 



4 (3). Third antennal joint blackish. 



5 (6). Thorax with fine sparse punctuation; hairs on the 



thorax uniform and all black. 



1454. Chilosia sparsa, Lw. 

 Hesleden, 1 $, 29-5-99. 



6 (5). Thorax coarsely punctate, and with long black and 



short yellow hairs. (1455. antiqua, Mg.) 



7 (2). Legs partly yellow, at least the base and tip of the 



tibiae orange. 



8 (13). Arista distinctly pubescent. 



9 (10). Legs black, except the base and tip of the tibias. 



(1456. longtila, Ztt.) 



10 (9). Tibias orange with black rings ; fore and mid tarsi 



largely orange. 



11 (12). Third antennal joint dull brownish ; punctuation of 



thorax fine. (1457. scutellata, Fin.) 



12 (11). Third antennal joint bright orange; thorax coarsely 



punctate. (1458. soror, Ztt.) 



13 (8). Arista almost bare ; tarsi mostly orange. 



1459. Chilosia pulchripes, Lw. 

 Hesleden, 1 $, 18-8-99; Harperley, 1 $, 24-4-00; 

 Wynyard, 1 $, 23-5-02. 



14 (1). Eyes hairy. 



15 (26). Face bearing hairs on the slopes (VII. 5), distinct 



from any pubescence on the eye margins. 



