Journal of Asia-Pacific Biodiversity 12 (2019) 160e164

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Journal of Asia-Pacific Biodiversity

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Original Article

Description of a new species of Masteria L. Koch, 1873 (Dipluridae:

Masteriinae) with a World Catalogue
Joseph B. Rasalan a, *, Aimee Lynn A. Barrion-Dupo b
a
Graduate School, University of the Philippines, Los Baños, Laguna, Philippines
b
Environmental Biology Division, Institute of Biological Sciences, and Museum of Natural History, University of the Philippines, Los Baños, Laguna, Philippines

a r t i c l e i n f o a b s t r a c t

Article history: A newly discovered species of Masteria L. Koch, 1873 collected under rock debris near the entrance of
Received 1 November 2018 Pelpel cave from Pangasinan, Luzon island, Philippines, Masteria urdujae sp. nov. is described. It is the
Received in revised form first masteriine species described from Northern Luzon and the third for the country. M. urdujae has six
13 December 2018
eyes, typical of the genus. It is currently the smallest of the recorded Indomalayan masteriine species.
Accepted 9 January 2019
Available online 25 January 2019
Ó 2019 National Science Museum of Korea (NSMK) and Korea National Arboretum (KNA), Publishing
Services by Elsevier. This is an open access article under the CC BY-NC-ND license (http://
creativecommons.org/licenses/by-nc-nd/4.0/).
Keywords:
Masteria
Mygalomorphae
Pangasinan
Philippines
Taxonomy

Introduction Material and methods

The genus Masteria L. Koch, 1873 is a group of small mygalo- The specimen was collected by hand in the entrance zone of
morphs belonging to the family Dipluridae Simon, 1889. They are Pelpel Cave, Brgy. Centro Toma, Bani, Pangasinan by opportunistic
known to exhibit eight, six, or no eyes. There are currently 31 sampling method. All measurements are in millimeters (mm).
accepted species of Masteria (World Spider Catalog, 2018), six from Macro images were made by mounting an Accu-ScopeÒ 5.0 Mega-
Oceania, including the type species M. hirsuta L. Koch, 1873 from Fiji pixel Excellis HD color microscopy camera CAT# AU-300-HD to a
Islands and Micronesia. 23 species are distributed in the New LeicaÒ A60 S stereo microscope. Pedipalp and processes of the apex
World. In Indomalaya, only two species are recorded: the cave- of tibia I were taken using a ZEISSÒ Primo Star Microscope. Total
dwelling M. caeca (Simon, 1892) and M. cavicola (Simon, 1892) in body length measurements including chelicerae were measured
the Philippines. dorsally. Leg and pedipalp measurements were taken from their
This new record of Philippine Masteria was collected in the dorsal aspect on the right side of the specimen. Pedipalp measure-
entrance zone of Pelpel Cave in Brgy. Centro Toma, Bani, Pan- ments refer to total pedipalp length of femur þ patella þ tibia þ
gasinan, northern Luzon, one of the newly explored limestone tarsus. Leg measurements are shown as total leg length of femur þ
caves in the province. It is located within a fragmented secondary patella þ tibia þ metatarsus þtarsus, and leg formula 1423 means
forest dominated by Fabaceae species Leucaena leucocephala (Lam.) the longest leg I > leg IV > leg II > leg III. Claws were excluded in
de Wit and Gliricidia sepium (Jacq.) Walp., which are used in char- tarsal measurements. Eyes were measured dorsally in cross section
coal making by the local community (Lit pers comm. unpublished at the longest and widest points. Eye interdistances were measured
data). The newly discovered species M. urdujae sp. nov. is described and are provided.
taxonomically in this study. The description follows Raven (1981) with modifications pro-
posed by Bertani et al (2013), as well as Passanha and Brescovit
(2018). Abbreviations and acronyms used in the in the text are
listed below:

* Corresponding author. Abbreviations and acronyms

E-mail address: jbrasalan@up.edu.ph (J.B. Rasalan).
Peer review under responsibility of National Science Museum of Korea (NSMK) and ARA e Araneae
Korea National Arboretum (KNA).

https://doi.org/10.1016/j.japb.2019.01.002
pISSN2287-884X eISSN2287-9544/Ó 2019 National Science Museum of Korea (NSMK) and Korea National Arboretum (KNA), Publishing Services by Elsevier. This is an open
access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
 JB Rasalan, ALA Barrion-Dupo / Journal of Asia-Pacific Biodiversity 12 (2019) 160e164 161

AME e Anterior median eye

ALE e Anterior lateral eye
P1, P2, P3 e Refers to the prolateral processes of the male tibia I.
PLE e Posterior lateral eye
PLS e Posterior lateral spinnerets
PMS e Posterior median spinnerets
UPLBMNH e University of the Philippines Los Baños Museum of
Natural History
_ e male

The holotype is deposited in the University of the Philippines

Los Baños Museum of Natural History (UPLBMNH), Los Baños,
Laguna, Philippines. The specimen is preserved in 80% ethyl
alcohol.

Systematic accounts

Genus Masteria L. Koch, 1873

Masteria L. Koch, 1873: 458. Type species by monotypy. Type spe-
cies Masteria hirsuta L. Koch, 1873; Raven, 1979, 624; Raven,
1981:57.
Accola Simon, 1889:191. Type species Accola lucifuga Simon, 1891.
First synonymized by Raven, 1979: 624.
Antrochares Rainbow, 1898:332. Type species by monotypy, Antro-
chares macgregori Rainbow, 1898. First synonymized by Raven,
1979: 624.
Microsteria Wunderlich, 1988:46. Type species by monotypy,
Microsteria sexoculata. Based on a fossil in Dominican amber;
first synonymized by Raven, 2000: 573. Figure 2. Masteria urdujae sp. nov.: holotype male: sternum, maxillae, chelicerae,
coxae, and labium, <scale bar: 1 mm>.
Masteria urdujae Rasalan and Barrion-Dupo, sp. nov.
(Figures 1e4)
LSID urn:lsid:zoobank.org:act:7B823DD4-E7D1-4526-AED0-
9BE28872969E

Figure 1. Masteria urdujae sp. nov.: holotype male: A1, habitus dorsal view; A2, eye arrangement; B, habitus ventral view. <scale bars: 1 mm(A1, B), 0.1 mm(A2)>.
162 JB Rasalan, ALA Barrion-Dupo / Journal of Asia-Pacific Biodiversity 12 (2019) 160e164

Figure 3. Masteria urdujae sp. nov., holotype male: A, pedipalp, retrolateral view; B, pedipalp, prolateral view. <scale bar: 100 mm>.

Figure 4. Masteria urdujae sp. nov., holotype male, processes of the apex of tibia I: A, photomicrograph; B, line drawing. <scale bar: 100 mm>.

Type. Holotype: _, Pelpel Cave, Brgy. Centro Toma, Municipality Many Masteria species are endemics even among nearby areas
of Bani, Pangasinan, 14 v 2017 (CCLucañas) UPLBMNH ARA-00522. (e.g., M. cavicola was collected from a cave in San Mateo, Rizal
Diagnosis. Masteria urdujae sp. nov. has six eyes (Figure 1A), Province; M. caeca was collected in Morong, Rizal Province).
similar to most representatives of the taxon [M. hirsuta L. Koch, Considering this, as well as the morphological characteristics and
1873; M. cavicola (Simon, 1892); M. aimeae (Alayón, 1995); and the isolation of M. urdujae sp. nov., we iterate the distinctness of
M. barona (Chickering, 1966), among others]. Two species under M. urdujae sp. nov.
the genus have no eyes [M. caeca (Simon 1892); M. Pecki Gertsch, Description. Male holotype (UPLBMNH ARA-00522) (Figures 1e
1982]. The male of M. urdujae differs from M. franzi and 4). Entirely brown. Carapace 1.86 long, 1.58 wide, clothed with long
M. toddae by leg formula (leg I is incomplete in M. franzi, longest brown hairs on interstitial ridges. Six eyes on tubercle occupying
measured leg is 4; 4132 in M. toddae). The tibial processes of the 0.143 of head width, AME lacking (Figure 1A). Eye interdistances:
first leg of M. urdujae resemble those of M. toddae, with the P1 of PMEePME, 0.011; PMEePLE, 0.034; PLEePLE, 0.178; PLEeALE,
M. toddae being much more prominent than that of M. urdujae. 0.016; ALEeALE, 0.008; ALEePME, 0.17. Chelicerae 0.481 long,
M. urdujae has 3 apical spines in the cymbium, whereas 0.404 wide. Sternum, 0.932 long, 0.800 wide. Labium 0.184 long,
M. toddae and M. franzi exhibit 4e5 spines. They also differ in the 0.396 wide. Maxillae 0.388 long, 0.601 wide. Sigilla not evident
shape of the bulb and embolus. M. urdujae does not exhibit a (Figure 2), maxillary cuspules absent.
paraembolic apophysis similar to M. franzi and M. toddae. Palp. Pedipalp 2.56 long, with elongated cymbium, bearing three
M. urdujae is similar to M. soucouyant by exhibiting a 1423 leg apical spines and one subapical spine; bulb pear shaped, giving
formula but differs from the latter by resembling the tibial origin to distally tapering embolus tip.
processes of M. aguaruna, M. downeyi, M. sabrinae, and Legs. Leg formula 1423. Leg lengths: Leg I, 6.56; Leg IV, 6.48; Leg II,
M. galipote. M. urdujae differs from the four by lacking a basal 4.94; Leg III, 4.63; Tibia I with three distal processes. P1 a high spur, P2
spine in metatarsus I. a strong spine with a slightly projected base lower than P1 and P3, P3
 JB Rasalan, ALA Barrion-Dupo / Journal of Asia-Pacific Biodiversity 12 (2019) 160e164 163

two spines on the same base. Metatarsus I lacking basal spine. Leg 13. Masteria guyanensis Almeida et al, 2018
spines elongate, dark brown, seemingly thickened. Dorsal spines: Leg Masteria guyanensis Almeida et al, 2018: 366.
I femur 3, tibia 1; Leg II femur 6, patella 4, tibia 8; Leg III femur 5, Distribution. Guyana
patella 3, tibia 5, metatarsus 6, tarsus 4; Leg IV femur 5, patella 1, tibia 14. Masteria hirsuta L. Koch, 1873
4, metatarsus 4, tarsus 5. Ventral spines: Leg I metatarsus 1; Leg II Masteria hirsuta L. Koch, 1873: 458.
femur 13, patella 2, tibia 3, metatarsus 3. Abdomen 2.28 long, 1.42 Masteria hirsuta Simon, 1892a: 190.
wide. Spinnerets. PLS long and apart. PLS basal segment 0.705 long, Masteria hirsuta Roewer, 1963: 109.
0.142 wide, middle segment 0.638 long 0.119 wide, apical segment Masteria hirsuta Passanha & Brescovit, 2018: 13.
0.735 long, 0.103 wide. PMS total length 0.292. Distribution. Fiji, Micronesia
Female. Unknown. 15. Masteria kaltenbachi Raven, 1991
Distribution. Only currently known within the entrance zone of Masteria kaltenbachi Raven, 1991: 115.
Pelpel Cave, Brgy. Centro Toma, Bani, Pangasinan, under rock debris Distribution. New Caledonia
and limestone rock cavities. 16. Masteria lewisi (Chickering, 1964) Accola lewisi Chickering,
Remarks. This species is described based on a single male, which 1964: 177. Masteria lewisi Raven, 1979: 625.
was collected from a limestone rock cavity within the entrance Masteria lewisi Passanha & Brescovit, 2018: 27.
zone of Pelpel Cave. Distribution. Jamaica
Etymology. Named after Urduja, the warrior princess of Kaylukari 17. Masteria lucifuga (Simon, 1889)
in Tawalisi, believed to be present-day Pangasinan. Accola cyclops Simon, 1889: 192.
Accola lucifuga Simon, 1889: 191.
Checklist of described Masteria species Accola tovarensis Simon, 1889: 192.
Accola lucifuga Simon, 1892a: 190.
1. Masteria aguaruna Passanha & Brescovit, 2018 Masteria lucifuga Passanha & Brescovit, 2018: 21 (synonym of
Masteria aguaruna Passanha & Brescovit, 2018: 34. Masteria cyclops and M. tovarensis).
Distribution. Peru Distribution. Venezuela
2. Masteria aimeae (Alayón, 1995) 18. Masteria macgregori (Rainbow, 1898)
Microsteria aimeae Alayón, 1995d: 3. Antrochares macgregori Rainbow, 1898: 332.
Masteria aimeae Passanha & Brescovit, 2018: 36. Distribution. New Guinea
Distribution. Cuba 19. Masteria manauara Bertani et al, 2013
3. Masteria amarumayu Passanha & Brescovit, 2018 Masteria manauara Bertani et al, 2013: 438.
Masteria amarumayu Passanha & Brescovit, 2018: 29. Masteria manauara Passanha & Brescovit, 2018: 42.
Distribution. Brazil Distribution. Brazil
4. Masteria barona (Chickering, 1966) 20. Masteria modesta (Simon, 1892)
Accola barona Chickering, 1966: 162. Accola modesta Simon, 1892c: 552.
Masteria barona Brignoli, 1983: 126. Masteria modesta Passanha & Brescovit, 2018: 9 (species
Masteria barona Passanha & Brescovit, 2018: 17. inquirenda).
Distribution. Trinidad Distribution. St. Vincent
5. Masteria caeca (Simon, 1892) 21. Masteria mutum Passanha & Brescovit, 2018
Accola caeca Simon, 1892b: 35. Masteria mutum Passanha & Brescovit, 2018: 32.
Distribution. Morong, Rizal Province, Philippines Distribution. Brazil
6. Masteria cavicola (Simon, 1892) 22. Masteria pallida (Kulczyn  ski, 1908)
Accola cavicola Simon, 1892b: 35. Accola pallida Kulczyn  ski, 1908: 459.
Distribution. San Mateo, Rizal Province, Philippines Distribution. New Guinea
7. Masteria colombiensis Raven, 1981 23. Masteria pecki Gertsch, 1982
Masteria colombiensis Raven, 1981: 61. Masteria pecki Gertsch, 1982: 80.
Masteria colombiensis Passanha & Brescovit, 2018: 24. Masteria pecki Passanha & Brescovit, 2018: 43.
Distribution. Colombia Distribution. Jamaica
8. Masteria downeyi (Chickering, 1966) Accola downeyi Chickering, 24. Masteria petrunkevitchi (Chickering, 1964)
1966: 158. Masteria doweeyi Brignoli, 1983: 126. Accola spinosa Petrunkevitch, 1929: 13.
Masteria downeyi Passanha & Brescovit, 2018: 25. Accola petrunkevitchi Chickering, 1964: 175.
Distribution. Costa Rica, Panama Masteria petrunkevitchi Raven, 1979: 625.
9. Masteria emboaba Pedroso et al, 2015 Masteria petrunkevitchi Passanha & Brescovit, 2018: 15.
Masteria emboaba Pedroso et al, 2015: 60. Distribution. Puerto Rico
Masteria emboaba Passanha & Brescovit, 2018: 9 (misplaced in 25. Masteria sabrinae Passanha & Brescovit, 2018
Masteria and Masteriinae, belongs to Micromygalinae). Masteria sabrinae Passanha & Brescovit, 2018: 48.
Distribution. Brazil Distribution. Martinique
10. Masteria franzi Raven, 1991 26. Masteria simla (Chickering, 1966)
Masteria franzi Raven, 1991: 113. Accola simla Chickering, 1966: 160.
Distribution. New Caledonia Masteria simla Brignoli, 1983: 126.
11. Masteria galipote Passanha & Brescovit, 2018 Masteria simla Passanha & Brescovit, 2018: 46.
Masteria galipote Passanha & Brescovit, 2018: 50. Distribution. Trinidad
Distribution. Dominican Republic 27. Masteria soucouyant Passanha & Brescovit, 2018
12. Masteria golovatchi Alayón, 1995 Masteria soucouyant Passanha & Brescovit, 2018: 19.
Masteria golovatchi Alayón, 1995: 5. Distribution. Trinidad and Tobago
Masteria golovatchi Passanha & Brescovit, 2018: 38. 28. Masteria spinosa (Petrunkevitch, 1925) Accola spinosa
Distribution. Cuba Petrunkevitch, 1925: 92. Accola spinosa Chickering, 1945: 161.
164 JB Rasalan, ALA Barrion-Dupo / Journal of Asia-Pacific Biodiversity 12 (2019) 160e164

Accola spinosa Chickering, 1966: 164. Masteria spinosa Bertani R, Cruz WR, Oliveira ME do ES. 2013. Masteria manauara sp. nov., the first
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Nentwig, 1993: 94.
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Masteria tayrona Passanha & Brescovit, 2018: 40. 167.
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30. Masteria toddae Raven, 1979 Psyche, Cambridge 71:174e180.
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