174 Friedrich Hendel. 



41. jRivellia anomala n. sp. (Fig. 29). 



Hendel, Gen. Plat., Fig. 29. 



1 cf aus Süd-Afrika, Chirinda-Forest (leg. Marshall). 



1 9 aus Uganda Prot., Tal des Kafu FL, Unyoro, 25. Dezember, 

 Ent. Res. Comm. 



Kopf samt Anhängen, Thorax, Beine und Wurzel des Hinterleibes 

 rotgelb. Stirnstrieme fast matt. Drittes Fühlerglied etwas verdunkelt, 

 oben gerade, vorne abgerundet: Arista sehr zart pubeszent. Brust, Me- 

 tanotum und der Hinterleib glänzend pechschwarz. 



Flügel glashell, mit sepiabrauner Zeichnung nach Fig. 29, Taf. 2, 

 wodurch sich diese Art sehr leicht von allen anderen unterscheiden läßt. 



Beim 9 bilden die drei getrennten braunen Querstriche vor der 

 braunen Flügelspitze eine zusammenhängende Linie. 



Schüppchen w^eiß, Schwinger rot. 



Körper und Flügel 2^/^ mm lang. 



42. Jiivellia floHdana Johnson. 

 Johnson, Canad. Ent.. Vol. 32, p. 247 (1900). 



„Head reddish, orbits narrowdy margined with silvery-white; anten- 

 nae yellow. Thorax and scutellum red. Abdomen, first and second Seg- 

 ments reddish, the others black; kälteres reddish; legs yellow. 

 Wings hyaline, veins yellow; crossbands brown or brownish-yellow, and 

 wider than R. variabüis and allied species; the first and 2. bands are very 

 narrowly connected at the junction of the auxiliary and first long, vein, 

 second and third coalesce at or just below the f ourth long, vein 

 (in the latter case there is a very small hyaline triangle, formed by the 

 2 bands and f ourth long, vein), and end in a point at the posterior 

 margin near the junction of the 5. long, and transverse vein; here also 

 the first band obscurely coalesces with the 1. and 2.; the 4. or apical 

 band narrowly separated or more narrowly connected with the 3. at the 

 tip of the 2. long. vein. Length 5 mm. 



4 specimens were collect, by the writer on Dayton Island, Lake 

 George, Florida." 



43. Hivellia flexuosa V. d. Wulp. 



Biol. Centr. Americ. Dipl., Vol. 2, p. 383, 6, Tab. X, Fig. 13 (1890). 



1 cf, Mexico, Omilteme in Guerrero, 8000 feet. 



„Black; front and antennae brownish; tarsi rufous; 1. cross-band 

 broad, contiguous with the blackish base of the wing; 3. cross-band con- 

 nected at the hind margin with the 2. and at the tips with the 4. band. — 

 Length 3 o mm. — Head black; front in the middle brownish, immediately 

 before the antennae with 2 small, rufous protuberances; face slightly con- 

 cave; occiput shining black. Antennae rufous, on the outer side brownish. 



