536 PROCEEDiyOS OF THE XAT10\AL MUSEUM. vol.44. 



KEY TO THE SPECIES OP EPIPHRAGMA — continued. 



5. Antennal segments 3 and 4, yellow, remainder brown or black; tarsi brown; head 



black, opaque, yello^vish-gray pollinose-.saciTni Williston • (Lesser Antilles). 



Antennal segment 3, only, reddish- yellow, remainder brown or black; tarsi yellow; 



head ochraceous brownish-yellow fabricii, new name (Brazil). 



6. Wing markings few, mostly reduced to ocellate or semiocellate markings 7. 



Wing markings ocellate or dark-centered with pale margins; wing margin either 



abundantly spotted, or with incomplete bands 8. 



7. Mesonotum with a grayish triangle in the middle; sides yellowish-red; legs pale 



yellow delicatula Osten Sacken - (Colombia). 



Mesonotum without gray; pleura with dark brown stripes; femora with a brown 

 band pupiUata, new species (S. Brazil). 



8. Ground-color of the wings hyaline biucH, new species (Greater Antilles) 



Ground-color of the wings not hyaline 9. 



9. Antennae of male long, reaching to the second abdominal segment. 



circinata Osten Sacken ^ (Costa Rica). 

 Antennte of male short, reaching to the ^-ing-root 10. 



10. Legs mostly dark brown; femora and tibia with two pale bands; anterior margin 



of wing with eight larger spots adspersa Wiedemann (Guiana; Brazil). 



Legs mostly yellow; wings without eight larger spots on costal margin 11. 



11. Legs yellow throughout; four large sub-costal spots, the largest at the stigma. 



punctulatissinia Wiedemann* (Brazil). 

 Legs yellow; femora with a brown band before the tip; wings with an irregular 



picture solatrix Osteu Sacken* (East. U. S.). 



Species not included in the above hey, because of insufficient 

 description : 



Epiphragma varia Wiedemann (Brazil).* Wiedemann says: 

 It must not be confused with Limiiobiamaculala F. {=fabricii, n. n.), which it closely 

 resembles, but stiU in re-spect to tlie wing pattern is quite different. Venation as in 

 L. maculata. Color of body, bro^vnish all over; of the feet, only one, without tarsi, 

 remaining; this is deep brown, only the tip of the tibia yellow. 

 Epipliragrna nehtilosa Bellardi CMexico).' 



The description calls for a vcrj' large species (male, lengtli, 15 mm.; 

 wing-expanse, 33 mm.); antennis j-ellow-ish throughout, the basal 

 segments paler; mesonotum with a subrotund black spot, fading out \ 

 behind; halteres bro^\•n with the knob black; feet browii, the femora 

 somewhat reddish-brown; feet with three black, equidistant bands, 

 the fii-st m tlie middle of the femur, the second at the laiee ; wings that 

 arc pale reddish-brown in the middle of the cells, hyalme at the veins. 



EPIPHRAGMA IMITANS, new species. 



Femora with the apices pale yellow; ^\-ings with two complete 

 double fasciaj. 



Female. — Length, 11mm.; wmg, 10 mm.; fore leg, femur, 6.5 mm.; 

 tibia, S mm.; tarsus, S.5 mm.; middle leg, femur, 6.4 mm.; tibia, 7.6 



> Dipt. St. Vincent, Trans. Ent. Soc. Lond., 18%. pp. 294, 295, flg. 68. 

 » Studies on Tipulidtc, vol. 2. 1887, p. 208, male. 



> Biologia Centrali-Americana, vol. 1, 1886, pp. 9, 10, pi. 1, flg. 1, male. 



• Auss. Zwcin. Ins^ vol. 1, 1828, p. 301. 



' Monographs, vol. 4, 1869, pp. Ift'i, l'J6, male and female. 



• Auss. Zweifl. Ins., vol. 1, IS», p. .173 (as Limnobia).^ 



' Ditterologia Messicana, pt. 1, 1859, pp. 206, 207, pi. l', fig. 4 (as Tipvla). 



