910 CHABLES PAUL ALEXANDER 



12. All the lobes with two lines 13 



Dorsal lobe solidly dark Some Ormosia Rond. (p. 922) 



13. No dark marks on disk between spiracles Some Ormosia Rond. (p. 922) 



Dark marks between spiracles 14 



14. Spiracular disk very small; two spots on disk. . . Erioptera (megophthalma Alex.) (p. 915) 

 Spiracular disk large; four or six spots on disk Helobia St. Farg. et Serv. (p. 928) 



Pupae 



1. Rostral sheath very elongated; antennal sheaths lying across face of eye. 



Elephantomyia O. S. (p. 952) 

 Rostral sheath not elongated; antennal sheaths lying behind eyes 2 



2. Leg sheaths very short, barely exceeding wings; crest of mesonotum smooth or nearly so. 



Gnophomyia O. S. (p. 934) 



Leg sheaths longer, ending about one segment beyond end of wings; crest of mesonotum 

 with spines or tubercles 3 



3. Mesonotum at crest with numerous sharp spines; hind tarsi the longest, middle tarsi the 



shortest, fore tarsi intermediate in length Helobia St. Farg. et Serv. (p. 928) 



Mesonotum and tarsal arrangement not as above 4 



4. Mesonotum at crest with six to eight tubercles provided with numerous setae; breathing 



horns fanlike or trumpet-like Gonomyia Meig. (p. 938) 



Mesonotum and breathing horns not as above 5 



5. Mesonotum at crest with four sharp spines or two plates produced into spines 6 



Mesonotum at crest without distinct prominent spines 8 



6. Mesonotum at crest with four spines 7 



Mesonotum at crest with a plate on either side split at tip into three or four teeth. 



Ormosia (nubila [O. S.j) (p. 923) 



7. Crest of mesonotum with two large spines; pronotal breathing horns small, closely applied 



to thorax; lives under bark Teucholabis O. S. (p. 945) 



Crest of mesonotum with four large spines; pronotal breathing horns long, slender, curved; 

 lives in earth Molophilus Curt. (p. 911) 



8. Abdominal pleurites with a transve/se subterminal row of from eight to twelve spines or 



stout setae; dorsum of segment 8 with a pentagon of five lobes. 



Ormosia Rond. (p. 922) 



Abdominal pleurites without such a row of spines or setae; dorsum of segment 8 with four 

 or fewer lobes Erioptera Meig. (p. 914) 



The most important literature on the tribe Eriopterini is as follows: 



Molophilus bijttatus Larva, general Keilin, 1913:4. (Hypodermal 



glands.) 



Molr,philus obscurus General Beling, 1879 56. 



Molophilus ochraceus Larva, pupa Beling, 1886: 193-194. 



Ei ioptera maculata Pupa Beling, 1879 : 49. 



Erioptera flavescens Larva Beling, 1879: 50. 



Erioptera lutea Larva, pupa Beling, 1886: 192-193. 



Erioptera sordida General Beling, 1879 : 56. 



Cheilotrichia imbuta General De Meijere, 1920: 76. 



Lip.wlhrix icterica Larva, pupa Beling, 1886: 192. 



Ormosia haemorrhoidalis Pupa Beling, 1879 : 48^19. 



Ormosia haemorrhoidalis Larva, pupa Beling, 1886: 191-192. 



Ormosia lineata General Beling, 1886: 202. 



Ormosia nodulosa General Beling, 1886: 202. 



Ormosia nodulosa General Cameron, 1917: 65. 



Ormosia varia Larva, pupa De Meijere, 1916:201-204. 



