Cosmolaelaps

Ramroodi, Sara, Hajizadeh, Jalil & Joharchi, Omid, 2014, Two new species of Cosmolaelaps Berlese (Acari: Laelapidae) from Iran, Zootaxa 3847 (4), pp. 533-544 : 541-542

Key to species of Cosmolaelaps occurring in Iran (females)

1. Dorsal setae leaf-like, plumose, foliate, broadened, without basal protuberance................................... 2

- Dorsal setae not very strongly expanded, more spatulate, clavate or lanceolate, mostly with a small basal protuberance..... 3

2. Setae Jv4 and Zv3, post-anal seta and j1 are plumose, with two unpaired setae (Jx)........ Cosmolaelaps pinnatus sp. nov.

- All opisthogastric setae, post-anal seta and j1 are simple, without unpaired setae (Jx)........................................................................................................ Cosmolaelaps ornatus Berlese, 1903

3. Dorsal setae spatulate.................................................................................. 4

- Dorsal setae slender, lancet or scimitar-like................................................................ 6

4. Most of dorsal setae spatulate, without basal protuberance, without unpaired setae (Jx) between J-series, fixed digit of chelic- era with 13 teeth, post anal seta spatulate........................................ Cosmolaelaps dorfakiensis sp. nov.

- Dorsal setae spatulate, with or without basal protuberance, with unpaired setae (Jx) between J -series, fixed digit of chelicera with less than 13 teeth, post anal seta simple................................................................ 5

5. Dorsal setae spatulate, with basal protuberance, with two unpaired accessory setae, setae Z5 smaller than other setae, fixed digit of chelicera with six teeth, peritrematal shield posteriorly free.............. Cosmolaelaps rectangularis Sheals, 1962

- Dorsal setae spatulate, without basal protuberance, with two to five unpaired accessory setae, setae Z5 not smaller than other setae, fixed digit of chelicera with four teeth, peritrematal shield posteriorly fused to the exopodal shields of coxae III and IV...................................................................... Cosmolaelaps claviger Berlese, 1882

6. Posterior end of dorsal shield narrow and pointed............................................................ 7

- Posterior end of dorsal shield rounded.................................................................... 9

7. Setae j1 and z1 simple, soft cuticle surrounding dorsal shield with 9 pairs of short and dagger-like setae............................................................................ Cosmolaelaps longus Hafez, Elbadry & Naser, 1982

- Setae j1 and z1 scimitar-like, soft cuticle surrounding dorsal shield with or without of scimitar-like setae................. 8

8. Dorsal shield with an unpaird Jx seta, spatulate seta present on palp femur, soft cuticle surrounding dorsal shield with scimitar- like setae..................................................... Cosmolaelaps subacutiscutus Bai & Wang, 2005

- Dorsal shield with two unpaird Jx setae, palp femur without spatulate seta, soft cuticle surrounding dorsal shield without setae...................................................................... Cosmolaelaps acutiscutus Teng, 1982

9. Dorsal setae similar in shape and size.................................................................... 10

- Dorsal setae vary in shape and size...................................................................... 11

10. Thirty-seven pairs of dorsal setae knife-shaped, fixed digit of chelicera with five teeth, epistome with small denticles, dorsal shield 420–450........................................................... Cosmolaelaps vacua Michael, 1891

- Thirty-eight pairs of dorsal setae lancet-like, fixed digit of chelicera with three teeth, epistome with large denticles, dorsal shield 530–580..................................................... Cosmolaelaps lutegiensis Shcherbak, 1971

11. Dorsal shield with an unpaird Jx seta, Z5 not serrate.............................. Cosmolaelaps cassoidea Karg, 1981

- Dorsal shield with two unpaird Jx setae, Z5 lightly serrate...................... Cosmolaelaps brevipedestra Karg, 1985