190 Phoridae. 



with lef t arm of forceps not fissured ; seventh vein reaching 



the margin 3. heterocerca. 



— Front tarsi dilated ; hypopygium with lef t arm of forceps 

 by a fissure divided into an upper and a lower lobe; 

 seventh vein not quite reaching to the margin 5. 



5. Upper lobe of left arm of forceps with the hind margin 

 concave, not crenelated; the indicated anal vein reaching 



to the middle 4. aterrima. 



— Upper lobe of left arm of forceps with the hind margin 

 convex, finely crenelated; the indicated anal vein short, 



not reaching the middle 5. holosericea. 



6. Apically to the basal process below hind femora a group 



of bristly hairs 6. pubipes. 



— No group of hairs at the basal process below hind femora 7. tincta. 



The above table is based only on the males; Schmitz has not 

 been able to fmd out the females, and though I possess several species 

 taken in copiila I am not able to discriminate with certainty the 

 females of several species. As regards the females of the species treated 

 here the following may be noted: Schineri and artijrons (the female of 

 the latter imknown) will be recognized in the same way as the males 

 by the tibial bristles; heterocerca^ which in contradistinction to the 

 male has the front tarsi dilated, is known by 1 being longer than 2 

 and the inner bristles of third frontal row relatively small ; of the other 

 three, which have 1 at most aboiit equal to 2 and the said bristles 

 relatively larger, tincta has the wings generally a little ting^d and 

 fourth vein not much curved at the base, while holosericea and ater- 

 rima have clear wings and fourth vein more curved; of these two 

 species holosericea seems to have the costal cilia shorter than aterrima 

 and seventh vein not quite reaching the margin, while in the aterrima 

 female it reaches the margin; the female of pubipes is unknown, I 

 possess two doubtful females which seem like the male to have the 

 front legs rather pale. 



1. Ph. Schineri Beck. 



1901. Beck. Abhandl. zool. bot. Gesell. Wien, I, 80, 68, Taf. V, Fig. 72 

 [Trineum). — 1910. Kertész, Cat. Dipt. VII, 403 {Trineura). — 1914. Brues, 

 Bull. Wisc. Nat. Hist. Soc. XII, 109. — 1918. Schmitz, Jaarb. Natuurh. Ge- 

 nootsch. Limburg 1917, 120 et 1920. ibid. 1919, 115, Fig. 1—2. — Trineura 

 stictica Schin (nec Meig.) 1864. F. A. II, 347. 



Male. Frons so imperceptibly narrowing upwards that it is 

 practically of equal breadth in the whole length, the hairs long, about 

 half as long as the bristles. Thorax with the hairs somewhat strong 



