Rangomaramidae Jaschhof & Didham 2002
Creators: name: DE SOUZA AMORIM, DALTON
name: RINDAL, EIRIK
Publisher: name: Zenodo
Year: 2007
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Rangomaramidae

description: Key for Identification of the Genera of Rangomaramidae   1. r-m longitudinal, in line with second sector of Rs (Ohakuneinae, subfam. n.).......................................... 2   
- r-m transverse or oblique............................................................................................................................. 5  
2. First sector of Rs visible............................................................................................................................. 3  
- First sector of Rs entirely missing.............................................................................................................. 4  
 3. M 1+2 complete......................................................................................... (Costa Rica) Rogambara Jaschhof   
 - M 1+2 incomplete at base............................................................................ (Costa Rica) Cabamofa Jaschhof   
 4. Rs originating before half of wing; base of M 4 complete........................................................................................................................................................ (Australia, Costa Rica, Chile, Brazil) Colonomyia Colless   
 - Rs originating beyond distal half of the wing; base of M 4 incomplete............................................................................................................. New Zealand, Australia, Papua New Guinea, Chile) Ohakunea Edwards   
5. First sector of Rs short; r-m present............................................................................................................. 6  
 - First sector of Rs long; r-m absent, tb much longer than m-cu............................................................................................................................. Rangomaraminae (New Zealand) Rangomarama Jaschhof & Didham   
 6. R 5 running very close to C, first sector of Rs tiny, transverse, r-m scarcely visible; medial fork long, M 1 and M 2 diverging before middle of wing. Tergite 9 devoid of distal projections bearing strong spines.......................................... Heterotrichinae, subfam. n. (Europe and Japan, Baltic amber) Heterotricha Loew   
 - R 5 not close to C, first sector of Rs normally developed, oblique forward, r-m produced, at least slightly oblique backwards; medial fork short, M 1 and M 2 diverging beyond middle of wing. Tergite 9 bearing 1 or 2 pairs of distal projections with strong spines (Chiletrichinae, subfam. n.)............................................ 7   
 7. Proboscis long, maxillary palpus displaced to apex............. (South Africa) Rhynchoheterotricha Freeman   
- Proboscis short, normal............................................................................................................................... 8  
 8. M 1+2 /M 3+4 longer than m-cu......................................................................... (Kenya) Kenyatricha Chandler   
 - M 1+2 /M 3+4 shorter than m-cu......................................................................................................................... 9   
 9. Rs originating before basal third of wing; R 1 reaching C about at middle of wing; M 1 and M 2 continuously diverging.............................................................................................(New Zealand) Insulatricha Jaschhof   
 - Rs originating beyond basal third of wing; R 1 reaching C at distal third of wing; M 1 not gradually diverging.............................................................................................................................................................. 10   
 10. m-cu reaching CuA very basally, basal cell slender..............(Chile, southern Brazil) Chiletricha Chandler   
 - m-cu reaching CuA more distally, basal cell wide.......................................... (Ecuador) Eratomyia n. gen.
description: Published as part of DE SOUZA AMORIM, DALTON & RINDAL, EIRIK, 2007, Phylogeny of the Mycetophiliformia, with proposal of the subfamilies Heterotrichinae, Ohakuneinae, and Chiletrichinae for the Rangomaramidae (Diptera, Bibionomorpha), pp. 1-92 in Zootaxa 1535 (1) on pages 12-13, DOI: 10.11646/zootaxa.1535.1.1, http://zenodo.org/record/5088515