Guyruita isae, Fukushima & Bertani, 2018

Fukushima, Caroline Sayuri & Bertani, Rogério, 2018, Two new species of Guyruita Guadanucci et al., 2007 (Araneae, Theraphosidae) from Brazil, Zootaxa 4370 (4), pp. 395-408 : 396-397

Key to Guyruita species

Males (male of G. waikoshiemi unknown)

1. Abdomen with very conspicuous black stripe or spot ( Figs 7−8 )................................................. 2

- Abdomen with faded greyish stripe or homogeneously colored ( Figs 9 −10 )....................................... 3

2. Abdomen with central longitudinal black stripe connected with well-defined lateral stripes ( Figs 5 , 8 ), embolus less than 2.5 times tegulum length in retrolateral view ( Fig. 14 ), tibial apophysis ventro-median ( Fig. 18 )................... G. cerrado

- Abdomen with irregular large black spot on central area ( Figs 1 , 7 ), embolus more than 3 times longer than tegulum in retrolat-

eral view ( Fig. 22 ), tibial apophysis slightly ventro-retrolaterally positioned ( Fig. 23 )...................... G. isae n. sp. 3. Abdomen without spots or stripes ( Figs 4 , 10 ), embolus more than 3 times length of tegulum in retrolateral view ( Fig. 12 ), lobes of tibial apophysis slightly curved ( Fig. 15 )................................................... G. atlantica

- Abdomen with faded greyish stripe ( Figs 3 , 9 ), embolus less than twice as long as tegulum in retrolateral view ( Fig. 31 ), retrolateral lobe of tibial apophysis very curved ( Fig. 32 )............................................ G. giupponii n. sp.

Females (female of G. giupponii n. sp. unknown)

1. Spermathecae with two clusters of lobes (apical and ventro-subapical) ( Fig. 41 ); tibia I incrassate ( Fig. 40 ); Venezuela and extreme northern Brazil...................................................................... G. waikoshiemi

- Spermathecae with lobes on edge; tibia I not incrassate; Brazil.................................................. 2

2. Abdomen with very conspicuous black spot or stripe ( Figs 2, 6 )................................................. 3

- Abdomen without any spot or stripe............................................................... G. atlantica

3. Abdomen with central longitudinal black stripe joined to well-defined lateral stripes ( Fig. 6 ); found in cerrado areas ( Fig. 39 ).............................................................................................. G. cerrado

- Abdomen with irregular longitudinal large black spot on central area ( Fig. 2 ); found in forested areas ( Fig. 39 )... G. isae n. sp.

Figures

FIGURE 39.Map showing Guyruita spp. records.? = dubious record.

FIGURES7-10.Guyruita spp.abdomen,preserved males.7. Guyruitaisae n. sp., holotype(MNRJ 6983) 8. Guyruitacerrado (MNRJ 6971) 9. Guyruita giupponiin.sp.,holotype (MNRJ 6969).10. Guyruitaatlantica (MNRJ 6982).Scale = 1 mm.Arrow = dark stripe.

FIGURES 1-6. Guyruita spp. habitus. 1-2 Guyruita isae n. sp., from Martins, state of Rio Grande do Norte, Brazil. 1. Male (MNRJ 6992). 2. Female (MNRJ 6985). 3. Guyruita giupponii n. sp., from Estação Ecológica de Sooretama, state of Espírito Santo, Brazil, male. 4. Guyruita atlantica, from Murici, state of Alagoas, Brazil, male. 5-6 Guyruita cerrado. 5. male from Catalão, state of Goiás, Brazil.6. Female from Peixe,state of Tocantins, Brazil.Photos:R. Bertani.

FIGURES 11-20. Guyruita atlantica and Guyruita cerrado, males. 11-14 Palpal bulb, left, side. 11-12 G. atlantica (MNRJ 6982). 11. prolateral 12. retrolateral. 13-14 G.cerrado (MNRJ 6971) 13. prolateral 14. retrolateral 15-20. Tibial apophysis on leg I, left side. 15-17 G. atlantica (MNRJ 6982). 15. ventral 16. prolateral. 17. retrolateral. 18-20. G. cerrado (MNRJ 6971). 18. ventral 19. prolateral 20. retrolateral.Scale bar = 1 mm.

FIGURES 21-25. Guyruita isae n. sp., male holotype (MNRJ 6983). 21-22 palpal bulb, left side. 21. prolateral 22. retrolateral. 23-25. Tibial apophysis on leg I, left side. 23. ventral 24. prolateral 25. retrolateral. Scale bar = 1 mm.

FIGURES 30-34. Guyruita giupponii n. sp., male holotype (MNRJ 6969). 30-31 palpal bulb, left side. 30. prolateral 31. retrolateral. 32-34. Tibial apophysis on leg I, left side. 32. ventral 33. prolateral 34. retrolateral. Scale bar = 1 mm.

FIGURES 40-41. Guyruita waikoshiemi, holotype female (UCV).40. Habitus. 41. Spermathecae.