104 EMPID^. 



most distinct near the fore border, and are almost wanting in the middle 

 of the disc; veins black, slightly waved. Halteres yellow. Legs 

 tawny ; hinder coxae and tips of the tibiae and of the tarsi brown. 

 Inhabits damp woods. (E. I.) 



2. guttata, Hal. irrorata, Mg. zw. iii. 66. 9 (1822). exokta v., 

 Hal. Nigro-aenea, capite argenteo, antennis nigris, thorace albo fas- 

 ciato et utrinque notato, alis cinereis, margine postico apiceque maculis 

 sex limpidis, venis fusco-nebulosis, halteribus flavis, pedibus fulvis, tibiis 

 tarsisque apice fuscis. Long. 1-1 ; alar. 2-2|- lin. 



Male and Fern. Body aeneous-black. Head silvery. Proboscis, 

 palpi, and antennae black; third joint of the antennae conical, com- 

 pressed, a little longer than the two preceding ; fourth more than twice 

 the length of all the preceding. Thorax with a white stripe, and with 

 some white marks in front and on each side. Wings grey, brownish 

 along the borders of the veins, with 6 colourless spots along the hind 

 border and at the tips. Halteres yellow. Legs tawny ; tips of the 

 tibiae and of the tarsi brown. 



Generally distributed. (E. S. I.) 



Genus VI. HELEODROMIA. 



HELEODROMIA, Hal.; Wtw. class. (1840). Empis p., Fin. suppl. 

 Hemerodromia p., Mg. Heleodromia p., Hal. e. m. i. 159; Ct. 

 Hydrodromia, Mq. Paramesia, Mq. Brachystoma p., Ztt. 



Caput verticale, oblato-orbiculatum, genis infra oculos non continuis, 

 epistomate indiscreto. Proboscis crassa, descendens, palpis incumbenti- 

 bus. Antenna b-articulata ; articulus tertins quinto brevior, apice 

 attenuatus ; quintus setiformis, breviuscula, curvata. Ales vena cubi- 

 tali furcata, externo-mediis 3 ex areola discali oblongo hexagona 

 excurrentibus. Coxae femoribus breviores ; empodium incrassatum ut 

 onychia. 



Body slender. Head small, vertical, oblato-orbiculate. Genes inter- 

 rupted by a notch under the eyes. Face long, attenuated; clypeus 

 apparently divided. Eyes small, oval, remote. Proboscis thick, de- 

 clining. Labrum transverse, very broad at the tip. Lingua broad, 

 lanceolate, with an obtuse tooth on the upper side at the base. Palpi 

 incumbent, large, clavate, pilose. Labium short, thick, pubescent. 

 Antennae 5 -jointed, small, porrect, pubescent, inserted between the 

 eyes near the middle of the face ; first, second, and third joints stout ; 

 first clavate, obliquely truncate ; second cyathiform ; third nearly round, 

 attenuated on one side of the tip, shorter than the fifth ; fourth very 

 minute ; fifth setaceous, rather short, curved. Thorax almost fusiform ; 

 scutellum semicircular, Wings long, narrow, incumbent and parallel 



