Bonnetina hobbit

( B. HOBBIT View in CoL MALE UNKNOWN)

1a. Medium to large-sized specimens (CL> 9.0). Bulbal embolus sub-rectangular, only remarkably thinner at the apex ( Fig. 14B, C). Tibial accessory apophysis from moderately to strongly developed ( Figs 14L and 18J)………………....…2

1b. Small to large-sized specimens. Bulbal embolus sub-conical, gradually thinning from base to apex ( Figs 12B, C and 20B, C). Tibial accessory apophysis from very poorly to strongly developed….…6

2a. I Retrolateral tibia I apophysis internal mound present ( Fig. 17I)…………..……………………………3

2b. Retrolateral tibia I apophysis internal mound absent………………….……..……………………...4

3a. I Top of the tibia I accessory apophysis has conical spines ( Fig. 17J). Patellae longitudinal stripes very distinct, light brown ( Fig. 9C). Three known localities, in the right side (downstream perspective) of the Balsas River , Michoacán ( Fig. 1) …………………………………….. B. vittata View in CoL

3b. I Top of the tibia I accessory apophysis has stout spines ( Fig. 19J). Patellae longitudinal stripes inconspicuous ( Fig. 9G). Two known localities, on the left side (downstream perspective) of the Balsas River , Guerrero ( Fig. 1) …… B. julesvernei View in CoL

4a. Nodule on the retrolateral side of palpal tibia poorly developed ( Fig. 14M, N) …..…… B. tanzeri View in CoL

4b. Nodule on the retrolateral side of palpal tibia strongly developed ( Ortiz & Francke, 2015: fig. 2G)………………………………………..……….5

5a. I Tibia I retrolateral apophysis curved dorsally ( Fig. 18J). Carapace covered with light copper-yellowish pubescence ( Fig. 9E). Only known from one locality in La Unión municipality, close to the coast of Guerrero ( Fig. 1)……………………………..… B. hijmenseni View in CoL

5b. Tibia I retrolateral apophysis dorsally straight ( Fig. 17J). Carapace covered with copper penny (reddish) pubescence ( Fig. 8E). Known from central and eastern Guerrero and southern Morelos ( Fig. 1)………………………...….. B. papalutlensis View in CoL

6a. Small to medium-sized specimens (CL <9.5). Pedipalpal bulbs geniculate, with embolus short and strongly curved dorsally ( Fig. 21B, C). Accessory tibia I apophysis poorly to moderately developed ( Figs 20J and 21J)………………...…. 7

6b. Small to large-sized specimens. Pedipalpal bulbs not geniculate, with embolus moderately long to long and moderately curved dorsally ( Fig. 12B, C and 15B, C). Accessory tibia I apophysis poorly to strongly developed…..………………………………………..……12

7a. I Top of tibia I accessory apophysis has stout spines ( Fig. 21J). Carapace covered with abundant copper penny pubescence ( Figs 10E and 11C) ………………………………………………… 8

7b. I Top of tibia I accessory apophysis has simple or conical spines ( Fig. 20J). Carapace covered with pubescence of a different colour…………………………………………………9

8a. I Appendages (especially patellae) covered with abundant copper penny pubescence on a medium grey background ( Fig. 11C). Less than 95 maxillary cuspules. Only known from the vicinity of Las Cañas, a tropical semi-deciduous forest locality at 360 masl, close to the coast of Michoacán, in the western Balsas Basin ( Fig. 1)……………......... B. flammigera View in CoL (partial)

8b. I Appendages grey, with scattered long, light brown hairs ( Fig. 10E). More than 105 maxillary cuspules. Only known from Xixila, an oak forest locality at 1700 masl, in eastern Guerrero, in the Sierra Madre del Sur ( Fig. 1)……………...... B. megagyna View in CoL

9a. I Tip of tibia I retrolateral apophysis obtuse ( Fig. 24I). Appendages (especially patellae) covered by abundant copper penny pubescence on a medium grey background ( Fig. 11C). Only known from the vicinity of Las Cañas, a tropical semi-deciduous forest locality at 360 masl, close to the coast of Michoacán, in the western Balsas Basin ( Fig. 1)….. B. flammigera View in CoL (partial)

9b. Tip of tibia I retrolateral apophysis flat ( Fig. 22I) or rounded ( Fig. 20I). Appendages less colourful ( Figs 10A, C). Distribution more easterly, in the Mexican Plateau, Trans-Mexican Volcanic Belt, Sierra Madre del Sur and eastern Balsas Basin…..……………….……………..………..... 10

10a. Sternum sub-oval, clearly longer than wider ( Fig. 22A). Known only from Cañón del Sabino, a locality of tropical deciduous forest, at 600 masl in the northern boundaries of the Sierra Madre del Sur (Oaxaca) ( Fig. 1 ………………………………………………. B. tindoo View in CoL

10b. I Sternum generally sub-circular, approximately as wide as long ( Fig. 20A)….…………………….11

11a. U Distributed in the surroundings of the Valley of Mexico and one locality in Veracruz, always above 2000 masl, in the Trans-Mexican Volcanic Belt ( Fig. 1) …………………………….....…..…. B. aviae View in CoL

11b. U Known only from La Cumbre, an oak forest locality at 1200 masl, in northern Guerrero ( Fig. 1), eastern Balsas Basin ……..……….……. B. unam View in CoL

12a. PSA bulbal keel present, and the PI keel (serrated or not) is very conspicuous close to the embolus tip; thus, two prolateral keels are visible across the embolus ( Fig. 20B, C, G, H; Ortiz & Francke, 2015: figs 10A, B and 11A, D)……....……………………………………13

12b. PSA bulbal keel absent, and the partially serrated PI keel is absent or inconspicuous close to the embolus tip; thus, the embolus apical and sub-apical regions show only the PS keel in prolateral view ( Figs 12B–H and 15B–H)……………………………………………..14

13a. I Tibia I retrolateral apophysis tip conical. PI keel mostly smooth. Pedipalpal bulb like in ( Ortiz & Francke, 2015: fig 10). Known only from the surroundings of Juxtlahuaca Cavern, a tropical deciduous forest locality at 930 masl in central Guerrero ( Fig. 1)……………………………… B. juxtantricola View in CoL

13b. I Tibia I retrolateral apophysis tip rounded. PI keel partially serrated. Pedipalpal bulb like in ( Locht & Medina, 2008: figs 1, 2). Known only from the surroundings of Tepoztlán (≈ 2400 masl) in Morelos ( Fig. 1)…………………….… B. alagoni View in CoL

14a. Small-sized specimens (CL <7.5; ss = 1). Pedipalpal bulb embolus noticeably attenuated ( Ortiz & Francke, 2015: fig. 3). Known only from a grassland locality at 1250 masl, close to Zuluapan, state of Mexico ( Fig. 1)…….………………….. B. tenuiverpis View in CoL

14b. Medium to large-sized specimens (CL> 9.0). Pedipalpalbulbnotattenuated( Figs12B,C, 15B,Cand 16B, C)…………………………………………………15

15a. I Medium-large to large-sized specimens (CL> 10.5; ss = 4). Appendages with abundant copper to pink coloured pubescence ( Fig. 8A). Pedipalpal bulbs like in Fig. 12B–E. Distributed close to the coast of Jalisco and northern coast of Colima ( Fig. 1) ….…………………. B. cyaneifemur View in CoL

15b. I Medium-sized specimens (13.5> CL> 9.0; ss = 7). Appendages not as colourful: brown to black ( Figs 8G and 9A) Pedipalpal bulbs not like in Figs 12B–E ………………..………...…..………... 16

16a. Tibia I accessory apophysis strongly developed ( Fig. 15J). Known only from a deciduous shrub locality close to the boundaries between the states of Michoacán, Guerrero and México (280 masl) ( Fig. 1)……………….…....…. B. minax View in CoL

16b. I Tibia I accessory apophysis poorly developed, but distinct ( Fig. 16J). Known from a single deciduous shrub locality south-east of Colima city, at 500 masl ( Fig. 1)……………………… B. malinalli View in CoL

KEY TO BONNETINA View in CoL FEMALES ( B. FLAMMIGERA View in CoL FEMALE UNKNOWN)

1a. I Pawn-shaped spermatheca ( Fig. 27A–C). Not known to dig deep burrows in the open ……..... 2

1b. I Nipple-shaped spermatheca ( Figs 16K, 18K and 27H). Not known to dig deep burrows in the open ………………………………………………….4

1c. Mammiform spermatheca ( Figs 1 7K and 19K). Not known to dig deep burrows in the open.………..……………………………………….. 6

1d. Domiform spermatheca ( Figs 20K, 21K and 22K). Not known to dig deep burrows in the open …….…....………………………………………8

1e. Crescent-shaped spermatheca ( Figs 14I, J, 27D –G). Adults dig deep, unprotected (not under stones) burrows in the open ( Fig. 6B) ……....................…….………… B. tanzeri

2a. I Large-s i ze d a d u l ts (C L> 1 5. 0; ss = 4). Appendages with abundant copper to pink pubescence ( Fig. 8B). Distributed close to the coast of Jalisco and northern coast of Colima ( Fig. 1) ….….……………………….. B. cyaneifemur

2b. I Small to medium-sized adults (CL <12.0). Appendages not as colourful: brown to black ( Fig. 8H; Ortiz & Francke, 2015: fig. 1B) …………………………….………………... 3

3a. I Medium-sized adults (12> CL> 11; ss = 2). Carapace covered by striking dense red copper pubescence ( Fig. 8H). Known only from a tropical deciduous forest locality close to the boundaries between the states of Michoacán, Guerrero and México (280 masl) ( Fig. 1) ……….………. B. minax (partial)

3b. I Small to medium-sized adults (CL <10; ss = 3). Carapace covered by less dense darker copper pubescence ( Ortiz & Francke, 2015: fig. 1B). Known only from a grassland locality at 1250 masl, in the vicinity of Zuluapan, state of Mexico ( Fig. 1) ...…………………… B. tenuiverpis

4a. I Patellae stripes conspicuous, light brown ( Fig. 9F). Only known from one locality in La Unión municipality, close to the coast of Guerrero ( Fig. 1)….......………………………... B. hijmenseni

4b. I Patellae stripes barely conspicuous or inconspicuous ( Figs 8H and 9B)……….……..…………….. 5

5a. I Carapace dorsally reddish ( Fig.8H). Known only from a deciduous shrub locality close to the boundaries between the states of Michoacán, Guerrero and México (280 masl) ( Fig.1).…………………... B. minax (partial)

5b. U Carapace dorsally coppery ( Fig. 9B). Known from a single deciduous shrub locality south-east of Colima city, at 500 masl ( Fig. 1) ……..………………………….. B. malinalli

6a. P a t e l l a e s t r i p e s i n c o n s p i c u o u s ( Fig. 8F)……………..…………….. B. papalutlensis

6b. I Patellae stripes moderately to clearly distinct ( Figs 9D, H) …..….………………………………….7

7a. U Three known localities, in the right side (downstream perspective) of the Balsas River , Michoacán ( Fig. 1)…...……..…………… B. vittata

7b. U Two known localities, on the left side (downstream perspective) of the Balsas River , Guerrero ( Fig. 1) ……………………………….. B. julesvernei

8a. I D o m i f o r m - h i g h s p e r m a t h e c a ( Fig. 21K) …………………..…….….. B. megagyna

8b. Domiform-low spermatheca ( Figs 20K and 22K) …………………………….…………………… 9

9a. I Sternum sub-oval, clearly longer than wider ( Fig. 22A). Known only from Cañón del Sabino, a locality of tropical deciduous forest, at 600 masl in the northern boundaries of the Sierra Madre del Sur (Oaxaca) ( Fig. 1)………………………………………... B. tindoo

9b. I Sternum sub-circular, approximately as wide as long ( Fig. 23A)……………………………………. 10

10a. I Urticating hair patch normal ( Fig. 10B) ..…….11

10b. I Urticating hair patch reduced ( Figs 11D) …….....12

11a. I Specimens usually reach medium size (CL> 9). Known only from the surroundings of Tepoztlán, at about 2400 masl in Morelos ( Fig. 1)……………………………………. B. alagoni

11b. I Small-sized specimens (CL <8.5). Distributed in the surroundings of the Valley of Mexico and one locality in Veracruz, always above 2000 masl ( Fig. 1)……………..……………………….. B. aviae

12a. U Scopula covering only the distal ½ of metatarsus I. Known only from a grassland locality at 1300 masl, in the vicinity of Zotoltitlán , centraleastern Guerrero ( Fig. 1) ………….…… B. hobbit

12b. I Scopula covering at least the distal ¾ of metatarsus I…………………………………………………13

13a. I The single known adult female is medium-sized (CL = 10.0). Carapace sub-oval ( Ortiz & Francke, 2015: fig. 13A). Known only from the surroundings of Juxtlahuaca Cavern, a tropical deciduous forest locality at 930 masl in central Guerrero ( Fig. 1)……………………………… B. juxtantricola

13b. I Small-sized specimens (CL <8.5; ss = 2). Carapace sub-elliptical ( Ortiz & Francke, 2015: fig. 6A). Known only from La Cumbre, an oak forest locality at 1200 masl, in northern Guerrero ( Fig. 1)………….…………….. B. unam