Entomobryinae, Schaffer, 1896

Jordana, Rafael & Greenslade, Penelope, 2020, Biogeographical and ecological insights from Australasian faunas: the megadiverse collembolan genus, Entomobrya (Entomobryidae), Zootaxa 4770 (1), pp. 1-104: 5

publication ID

https://doi.org/10.11646/zootaxa.4770.1.1

publication LSID

lsid:zoobank.org:pub:39F2F040-E300-4065-9E8E-83A9D6286D1F

DOI

http://doi.org/10.5281/zenodo.3816027

persistent identifier

http://treatment.plazi.org/id/011B87E9-FF95-657D-FF60-C3F4FA5DBAA7

treatment provided by

Plazi

scientific name

Entomobryinae
status

 

Key to Australian Entomobryinae   genera

Genera underlined indicate that there are no described species in Australia but the genus has been recorded in publication.

1 Scales or chaetal-like scales present....................................................................... 7

- Scales absent......................................................................................... 2

2. Mucro with one tooth.................................................................................. 3

- Mucro with two teeth.................................................................................. 5

3. 8 + 8 Ocelli present.................................................................................... 4

- Ocelli reduced, only 1 + 1 present................................................................ Coecobrya  

4. Clavate tenent hairs or unguis greatly expanded distally, numerous macrochaetae on body..................... Isotobrya  

- Clavate tenent hairs normally developed, no expanded tip to unguis, few macrochaetae on body............... Drepanura  

5. Ocelli reduced or absent, fewer than 6 + 6.............................................................. Sinella  

- Ocelli present, usually 8 + 8 or 6 + 6...................................................................... 6

6. No spines on dens............................................................................ Entomobrya  

- Spines on dens................................................................................. Homidia  

7. Scales sparse, long, thin, very narrow..................................................................... 8

- Scales normally fairly abundant, broad, pointed or rounded................................................... 10

8. Mucro with one tooth......................................................................... Drepanosira

- Mucro with two teeth.................................................................................. 9

9. Abdomen VI greatly extended, several times longer than abdomen V in adult females....................... Epimetrura  

- Abdomen VI not greatly elongated, shorter than abdomen V.................................................. 21

10. Scales hyaline, pale, striations hardly visible, macrochaetae on dorsum sparse.................................... 11

- Scales not hyaline, darker, striations and ribs clearly visible, macrochaetae on dorsum abundant...................... 16

11. Ocelli fewer than 8 + 8 or absent, wing like teeth present on unguis............................................. 15

- Ocelli 8 + 8 although two may be reduced, no wing like teeth present on unguis................................... 12

12. Ocelli G and H clearly reduced, spinule present on mucro.............................................. Setogaster

- Ocelli G and H not reduced, spinule not present on mucro.................................................... 13

13. Spines on dens.............................................................................. Acanthurella  

- No spines on dens.................................................................................... 14

14. Scales absent from antennae, legs and posterior region of manubrium.................................... Lanocyrtus  

- Scales present on antennae, legs and posterior region of manubrium.................................... Lepidocyrtus  

15. Single tooth on mucro........................................................................ Sinelloides   *

- Two teeth on mucro......................................................................... Pseudosinella  

16. Spines on dens............................................................................. Acanthocyrtus  

- No spines on the dens................................................................................. 17

17. Mucro with one tooth................................................................................. 18

- Mucro with two teeth................................................................................. 19

18. Antenna IV and III simple, mucro without spine.......................................................... Seira  

- Antenna IV and III annulated................................................................. Lepidocyrtinus  

19. Scales broad, ribbed, sharply pointed............................................................... Willowsia  

- Scales broad but not pointed, mainly rounded.............................................................. 20

20. Large specimens, usually more than 2 mm long, long antennae, thorax II longer than III and often projecting over posterior border of head, anterior surface of manubrium with 4 + 4 blunt chaetae.............................. Lepidocyrtoides