314 CHIBONOMIDiE. 



Mas et 'Poem, murinus, scutello fidvo ant fulvo-marginato, pectoris late- 

 ribus nigricantibus subnitidis, notis duabus lateralibus sordide fulvis, 

 alis hyalinis siibalbidis cano-pilosis, venis plus miuusve fuscis, lialteri- 

 biis albis, abdomine iiigro-fusco, pilis longis albo-flavis, pedibus albidis 

 albido-pilosis, tarsorum articulis apice nigris ; Mas, aiitennarum plurais 

 nigro-cinereis apice albidis ; Fcem. alis obscurioribus pilosioribus. 

 Long. -|-x ; alfii'- 14 lin- 



Male and Tern. Mouse-colo^ir , dnll. Antennfc blackisli-grey. Scu- 

 tellum generalhj tawny, clothed with yellow hairs, with which some 

 black hairs are interuiixed, occasionally black, lo'itli a taiony border, and 

 clothed with black hairs. Sides of the pectus blackish, somewhat 

 shining, with a dingy tawny mark on each side before the base of the 

 wings. Wings hyaline, slightly whitish, clothed with hoary hairs, 

 which are thickest towards the costa ; veins more or less brown. Hal- 

 teres white. Abdomen blackish-brown, with long whitish-yellow hairs. 

 Legs whitish, clothed with whitish hairs, which are very long beneath 

 the tibiae and the tarsi ; joints of the tarsi with black tips. Male. 

 Plumes of the antenna; blackish-grey, glistening-white towards the tips. 

 Tem. Joints of the antennaj oval, the five last rather broader and longer 

 and more acuminated than the preceding eight. Wings darker, and 

 more thickly hairy than those of the male. 



(E.) 



15. titillans, Winn. ! Linn. Ent. vi. 27. 15. pi. 4. f. 15 (1852). 



Tern, ater, 'palpis Jlavo-fuscis, antemiis fuscescentibus, thorace nitido pilis 

 Jlavido-albis, alis hyalinis cinereo-hirtis, halteribus albis, abdomine nigra 

 albo-hirto, pedibus albidis pilis coucoloribus. Long. ^ ; alar. 1 lin. 



Fern. Head and thorax deep black. Falpi yellowish-broion. Antenna 

 broionish, with yellowish-grey hairs ; joints from the first to the fourth 

 cylindrical, the next four of a more oval form, the five last broader, 

 oval, somewhat elongated. Thorax shining, clothed with moderately 

 long, yellowish-ichite hairs. Wings hyaline, thickly covered %cith grey 

 hairs. Halteres white. Abdomen black, with white hairs. Legs whitish, 

 with hairs of the same colour. 

 Not common. (E.) 



16. saltans, Winn.! Linn. Ent. vi. 27. 16. pi. 4. f. 16 (1852). 

 - Fcem. obscure fusciis, subcinereus, alhido-pilosus, antennis pallide fuscis 



albo-hirtis, palpus nigris, alis hyalinis cinereo-hirtis, halteribus albis, pe- 

 dibus albo-Jlavis,femoribus tibiisque posticis apice nig?is. Long, tj ; alar. 

 1 lin. 



Fem. Dark broion, somewhat greyish, clothed with short downy whitish 

 hairs. Palpi black. AntemKs pale brown, clothed with white hairs; 

 joints from the first to the eighth cylindrical, from the ninth to the 

 thirteenth elongate, oval. JFing hyaline, clothed with grey hairs. 

 Halteres white. Legs whitish-yellow ; hind femora and hind tibia with 

 black tips. 



(E.?) 



