Dactyloscirus, Berlese, 1916

Corpuz-Raros, Leonila A., Naredo, Jeremy C. B., Lit, Ireneo L. & Caasi-Lit, Merdelyn T., 2022, Two new species of the genus Dactyloscirus (Acari: Prostigmata: Bdelloidea Cunaxidae) from Sumatra, Indonesia, with a key to known species, Zootaxa 5214 (1), pp. 89-103 : 100-102

publication ID

https://doi.org/ 10.11646/zootaxa.5214.1.3

publication LSID

lsid:zoobank.org:pub:4AF81E56-72B6-4C47-8642-EB7FAB9ADA6B

DOI

https://doi.org/10.5281/zenodo.7387332

persistent identifier

https://treatment.plazi.org/id/03B58780-6F4E-3653-FF00-C83E9CA92A22

treatment provided by

Plazi

scientific name

Dactyloscirus
status

 

Key to species of Dactyloscirus View in CoL

(Females)

1. Pedipalp with apophysis on joint of genu and tibiotarsus or arising distally on inner surface of genu................... 2

– Pedipalp without apophysis on joint of genu and tibiotarsus nor on genu......................................... 25

2. Hysterosoma with four pairs of median dorsal platelets.......... D. multiscutus Rocha, Rodrigues and Ferla, 2015 ( Brazil)

– Hysterosoma either with a single median dorsal shield or entirely soft, without platelets or shields..................... 3

3. Hysterosoma with single median dorsal shield.............................................................. 4

– Hysterosoma without median dorsal shield................................................................ 10

– Hysterosoma without dorsolateral shields.................................................................. 7

5. Median dorsal hysterosomal shield with two pairs of setae (c, d); basifemora I – IV with 5-5-3-1 setae.................. 1 1 .......................................................... D. philippinensis Corpuz-Raros, 1995 ( Philippines) View in CoL

– Median dorsal hysterosomal shield with three pairs of setae (c 1, d 1 and e 1); basifemora I–IV with 5-5-3-2 setae........... 6

6. Apophysis on joint of pedipalpal genu and tibiotarsus long and pointed, that on telofemur short and spoon-shaped................................................................................. D. mesonotus Shiba, 1986 ( Japan) View in CoL

– Apophysis on joint of pedipalpal genu and tibiotarsus long and blunt-tipped, that on telofemur long and blunt apically.......................................................... D. pseudophilippinensis Skvarla and Dowling, 2012 View in CoL ( USA)

7. Apophysis on joint of pedipalpal genu and tibiotarsus attenuate and pointed...................................... 8

– Apophysis on joint of pedipalpal genu and tibiotarsus bulbous................................................. 9

8. Median hysterosomal shield with three pairs of setae (c 1, d 1 and e 1); seta c 2 arising on soft cuticle outside median shield............................................................................ D. johnstoni Smiley, 1992 ( Mexico) View in CoL

– Median hysterosomal shield with four pairs of setae (c 1, c 2, d 1 and e 1); seta c 2 arising on median shield.............................................................................. D. illutus Inayatullah and Shahid, 1996 ( Pakistan) View in CoL

9. Median hysterosomal shield with two pairs of setae (c 1 and d 1); pedipalpal telofemur with a bulbous apophysis......................................................................... D. mansoni Smiley, 1992 View in CoL ( Mexico; Philippines)

– Median hysterosomal shield with three pairs of setae (c 1, d 1 and e 1); pedipalpal telofemur without apophysis.................................................................................. D. pataliputraensis Gupta, 1981 ( India) View in CoL

10. Hysterosoma with a pair of lateral shields................................................................ 11

– Hysterosoma without lateral shields..................................................................... 22

11. Coxa II with two setae................................................ D. poppi Smiley, 1992 View in CoL (unknown locality) *

– Coxa II with three setae............................................................................... 12

12. Pedipalpal telofemur with two apophyses, one narrowly bulbous and other disc-shaped.............................................................................................. D. condylus Den Heyer, 1979 View in CoL ( South Africa)

– Pedipalpal telofemur with only one broadly bulbous apophysis................................................ 13

13. Coxa IV with one or two setae......................................................................... 14

– Coxa IV with three setae.............................................................................. 16

14. Coxa IV with one seta; tibia I with two attenuate solenidia............... D. imbecillus Bashir and Afzal, 2006 ( Pakistan) View in CoL

– Coxa IV with two setae; tibia I with one attenuate solenidion................................................. 15

15. Dorsomedian hysterosomal seta f 1 shorter than h 1; palp genu with two sts... D. manzoori Bashir and Afzal, 2006 ( Pakistan) View in CoL – Dorsomedian hysterosomal seta f 1 longer than h 1; palp genu with three sts.. D. kahrorensis Bashir and Afzal, 2006 ( Pakistan) View in CoL

16. Pedipalpal tibiotarsus thick, almost straight and gradually tapered distally; apophysis on joint of pedipalpal genu and tibiotarsus small and narrowly bulbous............................................................................ 17

– Pedipalpal tibiotarsus thin, curved, and abruptly tapered from near base; apophysis on joint of pedipalpal genu and tibiotarsus large and apically pointed or bulbous.................................................................... 18

17. Basifemur IV with two sts; tibiae I-IV with 5-5-5-4 sts; setae g 4 longest of the genital setae....................................................................... D. ladangjagung Corpuz-Raros and Lit sp. nov. ( Indonesia: Sumatra)

– Basifemur IV with one sts; tibiae I-IV with 4-5-4-2 sts; setae g 3 longest of the genital setae.................................................................................................. D hoffmannae Swift, 1996 (Hawaii) View in CoL

18. Lateral hysterosomal shields small, less than twice as long as either setae c or c ................................... 1 2 ........................................................... D. inermis ( Tragardh, 1905) View in CoL ( Egypt; cosmopolitan)

– Lateral hysterosomal shields long, more than twice as long as either setae c 1 or c 2 ................................. 19

19. Hysterosomal seta h 1 1.25 times longer than f 1.................................... D. humuli Liang, 1986 View in CoL (NE China)

– Hysterosomal setae f 1 and h 1 equal in length............................................................... 20

20. Genital seta g 3 longest, 1.5 – 1.7 times the length of g 2 and g 4, and more than twice g1 ...... D. smileyi Swift, 1996 (Hawaii) View in CoL

– Genital seta g 4 longest of the genital setae................................................................ 21

– Chelicera stout, basal half inflated to four times its distal width; length of lateral hysterosomal shields only 2/3 of setal distance c 1 –c 2; hysterosomal setae f 1 and h 1 2.25 times as long as setae c 1 –e 1 ................................................................................................ D. sumatranus Corpuz-Raros and Naredo sp. nov. ( Indonesia)

22. Apophysis on joint of pedipalpal genu and tibiotarsus long and gradually tapered to a fine point................................................................... D. machairodus ( Oudemans, 1922) View in CoL ( Indonesia: Sumatra, Philippines)

– Apophysis on joint of pedipalpal genu and tibiotarsus short and bulbous........................................ 23

23. Pedipalpal genu with two apophyses, one bulbous and the other disc-like. D. discocondylus Corpuz-Raros, 2008 ( Philippines) View in CoL

– Pedipalpal genu with one bulbous apophysis.............................................................. 24

24. Basal pair of adoral setae very long, more than four times the length of distal pair; apophysis of pedipalpal telofemur about as long as width of this segment; genital seta g 4 twice as long as setae g 1 –g 3 .... D. rosarioae Corpuz-Raros, 1995 ( Philippines) View in CoL

– Basal pair of adoral setae not elongated, subequal to distal pair; apophysis of pedipalpal telofemur short, less than width of this segment; genital setae g 4 slightly longer than setae g 1 –g 3 .................. D. agricolus Corpuz-Raros, 1995 ( Philippines) View in CoL

25. Median dorsal hysterosomal shield present................................................................ 26

– Median dorsal hysterosomal shield absent................................................................ 27

26. Dorsal hysterosomal shield bear three pairs of setae (c, d and e)............................................... 1 1 1 ............................................... D. eupaloides Berlese, 1916 ( Argentina, North America, Europe) 1 2 1 1

– Dorsal hysterosomal shield bear four pairs of setae (c, c, d, and e)..... D. minys Inayatullah and Shahid, 1996 ( Pakistan) View in CoL

27. Pedipalpal claw trifid; setal formula of coxae II–IV 3-3-3.................. D. trifidus Corpuz-Raros, 2008 ( Philippines) View in CoL

– Pedipalpal claw entire, unbranched; setal formula of coxae II–IV not as above................................... 28

28. Coxa I with two setae..................................................... D. bengalensis Gupta, 1992 ( India) View in CoL

– Coxa I with three setae............................................................................... 29

29. Coxal II–IV setal formula 1-3-2.................................... D. orsi Inayatullah and Shahid, 1996 ( Pakistan) View in CoL

– Coxal II–IV setal formula 2-3-1.............................. D. saopauloensis Den Heyer and Castro, 2012 ( Brazil) View in CoL

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Trombidiformes

SubOrder

Prostigmata

Family

Cunaxidae

GBIF Dataset (for parent article) Darwin Core Archive (for parent article) View in SIBiLS Plain XML RDF