Leptus, LATREILLE, 1796

Haitlinger, Ryszard & Šundić, Miloje, 2016, Redescription of Leptus (Leptus) mariani HAITLINGER 1991 and L. (L.) stefani HAITLINGER 1991 (Trombidiformes: Prostigmata: Erythraeidae), Linzer biologische Beiträge 48 (2), pp. 1197-1206 : 1200-1201

Key to the larval Leptus of the Neotropical Region

1 Scutum with two or more additional scutalae, placed beyond setae PL (subgenus Amaroptus)................................................................... L. (A.) vuki HAITLINGER 2000; Peru

- Scutum without such setae (subgenus Leptus ) ....................................................................2

2 Palpgenu and palpfemur with two setae each ....................................................................... .................................................................... L. (L.) maldonadoicus HAITLINGER 2000; Peru

- Palpgenu with one or two setae, palpfemur with only one seta ...........................................3

3 Between coxae I four sternalae, between coxae II six sternalae and between coxae II- III more than four setae ........................................... L. (L.) ursyni HAITLINGER 1991; Chile

- Between coxae I and II two sternalae, between coxae II-III not more than four setae ........4

4 Palpegenu with two setae ....................................................................................................5

- Palpgenu with one seta 8

5 Posterolateral scutal seta (PL) off scutum ............................................................................. .............................................................................. L. (L.) lomani ( OUDEMANS 1902); Chile

- Setae PL on scutum ............................................................................................................6

6 L> 100, W> 120 ................................................... L. (L.) hringuri HAITLINGER 2000; Peru

- L <100, W <100 .................................................................................................................7

7 fD 60, W <78, Ti III <135 .................................................................................................. ............................ L (L) cabareticus HAITLINGER, 2004; Dominican Republic, Guadeloupe

- fD 82, W> 80, Ti III>..................................... L. (L.) iguacuicus HAITLINGER 2004; Brazil

8 Genu III with 7-9 solenidia ................................................................................................... ..................................L. (L.) multisolenidiae MAYORAL & BARRANCO 2011 French Guiana

- Genu III with other number of solenidia or without solenidia ............................................9

9 Genu I with five solenidia ................................................................................................10

- Genu I with one or no solenidion .....................................................................................11

10 Genu II with one solenidion, telofemur I without solenidion ................................................ ....................................................................... L. (L.) stieglmayri ( OUDEMANS 1905); Brazil

- Genu II without solenidion, telofemur with three solenidia ................................................. .......................................................................... L. (L.) schedingi ( OUDEMANS 1911); Chile

11 Tibia III with two .............................................................................................................12

- Tibia III with on e solenidion .............................................................................................13

12 L <130, W <120, AL <70................................................................................................... ........................................... L. (L.) filipinae HAITLINGER 2000; Costa Rica, Belize, Mexico

- L> 150, W> 170, AL> 80.............................. L. (L.) stefani HAITLINGER 1991 ; Colombia

13 Genu I without solenidion .................... L. (L.) gagzoi ( OUDEMANS 1910) Panama, Trinidad

- Genu I with one solenidion ...............................................................................................14

14 Genu II with one solenidion .............................................................................................15

- Genu II without solenidia .................................................................................................16

15 Two setae between and anterior to coxae III ......................................................................... ................................................................... L. (L.) oudemansi (KARPINNEN 1958), Surinam

- Four setae between and anterior to coxae III......................................................................... ..................................................................... L. (L.) sieversi ( OUDEMANS 1911); Venezuela

16 Ti III> 450 ............................................................... L. (L.) stolae HAITLINGER 1987 ; Brazil

- Ti III <400........................................................................................................................17

17 Ti III <190.........................................................................................................................18

- Ti III> 190........................................................................................................................24

18 AW <66................................................... L. (L.) onnae HAITLINGER 2000; Brazil, Mexico

- AW> 66 ...........................................................................................................................19

19 AW> 88............................................................................................................................20

- AW <88............................................................................................................................21

20 PW 86-90, Ti I 94-100, anterior bo rder of scutum deeply concave....................................... .......................................................................... L. (L.) adaminae HAITLINGER 2004; Brazil

- PW 120, Ti I 122, anterior border of scutum almost straight ................................................ ............................................................................... L. (L.) alberti HAITLINGER 1991; Brazil

21 The longest dorsal setae> 50 .................... L. (L.) ariel SOUTHCOTT 1989; Guatemala, Peru

- The longest dorsal setae <48 ............................................................................................22

22 Anterior border of scutum straight ........... L. (L.) olafi HAITLINGER 1991; Chile, Venezuela

- Anterior border of scutum concave ...................................................................................23

23 Ta II <104, IP 1456-1628 .................................................................................................... ................................................ L. (L.) simonettae HAITLINGER 2000; Guatemala, Honduras

-......Ta II> 104, IP 1822-1880 ................................... L. (L.) fozicus HAITLINGER 2004; Brazil

24 Anterior margin of scutum straight, Ta I <140........ L. (L.) cyryli HAITLINGER 1991; Brazil

- Anterior margin of scutum concave, Ta I> 140................................................................25

25 Palptarsus with 3 barbed and 2 nude normal setae ............................................................... ................................................................................ L. (L.) annikae HAITLINGER 2000; Peru

- Palptarsus with one barbed seta or without barbed setae...................................................26

26 PL <70, ISD <60, GL <200 ........................ L. (L.) tiranicus HAITLINGER 2006; Venezuela

- PL> 70, ISD> 60, GL> 210............................... L. (L.) mariani HAITLINGER 1991 ; Brazil..........................................L. (L.) nikanori HAITLINGER 2000; Costa Rica, French Guiana *