374 Mr. F. W. Edwards’ Notes on British Mycetophilidae. 
11. 
12. 
Centra spot of wings much enlarged, reaching costa 
formosa, Ldst. 
Central spot not reaching costa » UTES 2) 02. 
Apical area of wing dark, including an oval ‘eal Bra 
dimidiata, Staeg. 
No pale spot included in the apical darkening of the wing 
ezizekii, Lndr. 
13. Whole apex of wing dark a ae 3 stylata, Dz. 
Light areas included in the dark apie markings, even if the 
apex itselfisdarkened . . . . . e054 
14. Hind femora with a dark line above i - salted Zett. 
Hind femora dark at apex only : : Hd. 
15. A dark patch in the anal cell (except in light sessile wing 
16, 
Mie 
18. 
19. 
21. 
22. 
apex more or lessdarkened. . .  . ? nebulosa, Stan. 
No dark patch in anal cell; wing apex not darkened 
bimaculata, F., luteicauda, sp. n. 
Thorax all yellowish-brown, hind tibiae with bristles in three 
rows (though the middle row may only comprise two 
bristles) . : : : 3 é ceedeile 
Thorax dark, or with abvisue avi ZunbeR ; hind tibiae with 
bristles in two rows : Pyitey Be ; econ mt: 
Subapical wing-fascia large aad conspicuous cingulum, Mg. 
Subapical wing-fascia small and rather inconspicuous 
confluens, Dz. 
Large reddish species, subapical wing-fascia forming four 
distinct though not always completely separated spots 
rufescens, Zett. 
Medium sized or small species, subapical wing-fascia not forming 
four distinct spots. .  . Pint ae Se B11 2 
Thorax dull, ov with two or three distinct stripes. co ee ee aE 
Thorax shining, black, not striped or with the stripes com- 
pletely confluent .  . . 24, 
. Thorax shining, the stripes danatiy’ yell donarated (imide one 
sometimes obsolete, especially in M. signatoides) lunata, Mg.* ; 
signata, Mg., sigillata, Dz., signatoides, Dz., guttata, Dz. 
Thorax dull . : é : ; Fe mills 
A dark blotch in the anal ‘Call (sometimes indistinct). 22. 
No dark blotch in the anal cell . 23. 
Abdomen entirely blackish; thoracic stripes quite sinttabnt 
curviseta, Ldst. 
Posterior margins of abdominal batik pale, thoracic stripes 
not confluent stag? BT sites po 
22a. Central spot of wing larger ana isaty diztal to the basal 
portion of the third vein . .  . _ . spectabilis, Winn, 
