THE CANADIAN ENTOMOLOGIST 205 



sal edge not concave; the apical portions of the outer forceps laterally 

 compressed and each terminating in a pair of hooks, .lojtgicarina sp. n. 

 Keel-like portion not of remarkable length, its dorsal edge strongly concave ; 

 the apical portions of the outer forceps cylindrical and each termin- 

 ated by a single hook arcuata sp. n. 



Key to the Females of the Nearctic Species in the Genus Ernestia. 



1. Third antennal segment yellow Subg. Meriania 



Third antennal segment black Subg. Bmestia 2 



2. Fourth abdominal segment rufous 3 



Fourth abdominal segment black 4 



3. Second antennal segment rufous ampelus Walk. 



Second antennal segment black platycarina sp. n. 



4. Second antennal segment yellow 5 



Second antennal segment black 8 



5. Fifth sternite without a longitvidinal groove or depression; tarsal segments 



of front legs cylindrical ; bend of fourth vein with a well-marked 



appendage sp. a 



Fifth sternite with a longitudinal groove or depression; tarsal segments of 

 front pairs of legs flattened dorsoventrally ; bend of fourth vein with 

 a very indefinite or with no appendage 6 



6. Fifth sternite with a deep longitudinal depression 7 



Fifth sternite with a very shallow longitudinal depression sp. c. 



7. The depression in the fifth sternite extending through the posterior mar- 



gin, i.e. ; the posterior margin concave ; a short but distinct carina run- 

 ning the full length of the depression • sp- /?. 



The depression in the fifth sternite not extending through the posterior 

 margin, i.e. ; the posterior margin straight ; no carina in the depres- 

 sion sp. d. 



8. Front at the vertex as wide as either eye ; the second, third and fourth but 



not the fifth abdominal sternites each with a group of strong, blunt, 

 downwardly directed macrochaetae seen best in profile 9 



9. Palpi coal black nigropalpis sp. n. 



Palpi yellow, at least at tip 10 



10. The fifth abdominal sternite with two parallel longitudinal grooves separ- 



ated by a shallow carina hicarina sp. n. 



The fifth abdominal sternite with only a single longitudinal groove or de- 

 pression • • 11 



11. The fifth sternite longer than the fourth sulcocarina sp. n. 



The fifth sternite shorter than the fourth probably johnsoni sp. n. 



(To be continued) 



NEW SPECIES OF CRANE-FLIES FROM NORTH QUEENSLAND 



(TIPULIDAE. DIPTERA). 



BV CHARLES P. ALEx.\NDER. 

 Urbana, III. 

 The undescribed species of crane-flies that are characterized herewith 

 were kindly sent to me by Dr. James F. Illingworth. Most of^^the material was 



