1910} Johnson — F’ucellia FOE 
2. Middle tibiae without bristles on the inside, tibiae and palpi for the 
greater part reddish yellow, rarely darkened........... marina Macq. 
Middle tibiae on the inside with one or two distinct bristles, palpi and 
legs entirely black. et ae ich 
3. Posterior femora wales on the anide ide eeu a ene eei briatle tuft, 
halteres blood red. Renee oe .ariciiformis Holmer. 
Posterior femora in eidaition to ‘the brictle ‘fant: on the underside with a 
knob-like swelling turned toward the body and set with short bristles, 
halteres-vellomiera: oo. 5.8: - abe so ake aan ete org tucoram Mall. 
FEMALES. 
1. Tibia for the most part yellow, tarsi and femora for the most part black, 
middle femora on the underside only with very fine, short hairs. 
marina Macq. 
Tibiae for the most part black. beet aso 
Posterior lower sternopleural matics moles wanting or eulea taceonted 
by a quite fine short hair, apex of the wing distinctly clouded. 
pictipennis Beck. 
Posterior lower sternopleural bristles distinct even if short, apex of wing 
bo 
not clouded. eee: ie ere tate 
3. Middle ford iahly on aM npareweie: Behind: wiih a fen Noagee bristle- 
likeshairs halteres yellows ¢i\. 2. sect weet aeueiercas oie fucorum Fall. 
Middle femora not merely on the underside behind, but also on the under- 
side in front with several comparatively strong bristle-like hairs, halteres 
BNO OCA oc sco cde eer ate Fae Go aie etal ss ox ARON OTRMIS A olmpr, 
A study of all the original descriptions of the species suggested as 
synonyms by Prof. Stein, seems to point conclusively to the fact that 
the synonymy will have to stand as follows:— 
Fucellia marina Macquart. 
Scatophaga marina Macq., Ann. Soe. Ent., France, VIIT, 242, pl. 11, fig. 3 
Oct., 1838. 
Scatophaga (Halithea) maritima Haliday, Ann. Nat. Hist., I, 186, Nov., 
1838. 
Fucellia arenaria Desv., Ann. Soc. Ent., France, X, 272, 1841. 
Fucellia intermedia Lundbeck, Dipt. Groenl.,— Videns. Meddel. Nat. 
Foren., Kjoebenhaven, 1901, p. 291, fig. 1 b. 
Fucellia maritima Stein, Wiener Ent. Zeit., X XIX, 18, 1910. 
In referring to the synonymy in his introduction, Stein shows that 
the type of Fucellia is F’. arenaria, the only species mentioned by 
Desvoidy under his generic diagnosis, and suggests that Desvoidy’s 
statement that the female has the tuft of bristles on the posterior 
femora was undoubtedly a slip of the pen. Prof. Stein further states 
