THE CANADIAN ENTOMOLOGIST l4l 



the elytral intervals in the latter is sometimes ver\ line and a good magnifica- 

 tion is necessary. Judging by their descriptions* there is little to choose be- 

 tween these two species except their different habits. Greater differences might 

 be noted if the descriptions of both species were not so abbreviated. 



Bibliography of Group I-b. 



Aphodius rubeoliis Beauv., Ins. Afr. et Amer., 1805, 90. 



A. stercorosus Melsh., Proc. Phil. Acad. Nat. Sci., Vol. 2, 1844, 13G. 



A. troglodytes Hubbard, Insect Life, 1894, p. 312. 



A. campestris Blatchley, Canadian Ent., Vol. 44, 1912, p. 330. 



A. canadensis, sp. nov. 



NEW OR LITTLE-KNOWN CRANE-FLIES FROM 

 TROPICAL AMERICA (TIPULID^, DIPTERA). 



BY CHARLES P. ALEXANDER, 

 Urbana, III. 



The majority of the new species described herein as new were secured by 

 Mr. Herbert S. Parish along the Amazon River. The new Teucholabis was 

 secured by Prof. Hine in Guatemala, and sent to me through the kindness of 

 Dr. Kennedy. The new species are preserved in the collection of the author. 



Teucholabis pabulatoria, sp. n. 



Size very small (wing under 4 mm.); head gray; general coloration reddish 

 \'ellow: pleura with an appressed gray pubescence; wings hyaline, the stigma 

 small and ill-defined; Sc\ ending just beyond the origin of Rs; R2+3 in alignment 

 with Rs: cell Rz very wnde at the wing-margin. 



Male. — Length 3.6 mm.; wing 3.5 mm. 



Female. — Length 3.8 mm.; wing 3.7 mm. 



Rostrum reddish brown; palpi dark brown. Antennae with the scapal 

 segments dark brown, sparsely pruinose; flagellum broken. Head light gray. 



Pronotum reddish yellow. Mesonotum reddish brown, the praescutum 

 without distinct stripes. Pleura reddish yellow, the ventral sclerites with a 

 heavy, grayish white pubescence. Halteres light brown, the large knobs dark 

 brown. Legs with the coxae reddish, sparsely pruinose; trochanters dull yellow; 

 femora yellow, the tips broadly dark brownish black; tibiae brownish yellow, 

 the tips narrowly dark brown; metatarsi light brown, the apical third blackened; 

 remainder of the tarsi black. Wings hyaline, the stigma barely indicated, 

 brown; veins dark brown. The microscopic trichiae on the wing-disk are here 

 larger than is usual in the genus. \^enation: Sc short, Sci ending a short dis- 

 tance beyond the origin of Rs, Sc2 a short distance from the tip of Sci, located 

 before the origin of the sector; Ri beyond r very short, the tip pale; Rs long, 

 gently arcuated, in alignment with and subequal to R2+3; r in alignment with 

 the deflection of i?4+5; cell Rz very wide at the wing-margin ; i?4+5 bending strongly 

 to the wing-tip; inner end of cell 1st M2. lying a short distance proximad of the 

 inner ends of cells Rz and Rw basal deflection of iVfi+2 and the outer deflection 

 of Mz almost obliterated; basal deflection of Cm a short distance beyond the 

 fork of M. 



Abdomen brown, the sternites paler. Male hypopygium with the pleurites 



June, 1920 



