Salticidae (Arachnida: Araneae) of Oriental, Australian and Pacific regions, 12. Marengo Peckham & Peckham 1892 from Papua New Guinea

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SALTICIDAE (ARACHNIDA: ARANEAE) OF ORIENTAL, AUSTRALIAN AND
PACIFIC REGIONS, XII. MARENGO PECKHAM & PECKHAM 1892
FROM PAPUANEW GUINEA
MAREK ZABKA
Zabka, M.1999 06 30: Salticidae (Arachnida: Araneae) ofOriental, Australian and Pacific
Regions,XII.MarengoPeckham&Peckham 1892fromPapuaNewGuinea.Memoirsofthe
QueenslandMuseum 43(2): 893-905. Brisbane. ISSN 0079-8835.
MarengoisnewlyrecordedfromPapuaNewGuineaandfivenewspeciesaredescribed (M.
courti,M.platn'wk'uM.proszynskii,M.rafalskiiandM.variratae). Remarksonrelationships
and distribution are given. G Salticidae, Marengo, taxonomy, new species, Papua New
Guinea.
Marek Zabka. {email:zabkafdWsrp.siedlce.pl), Zaklad Zoolo^ii IVSRP, 08-110 Siedlce,
Poland; 24September 1998.
NewGuinea,beingverydiverseintopography, solution ofchlorazol black E under control and
floristic formations and climate, and having a mounted inglycerine. Drawingsweremade using
complicated geological history, is one of the a grid system and Nikon microscopes.
W
richest salticid speciation centres in the tropics. Abbreviations: AE =anterioreyeswidth,AL
Thezoogeographical relationshipsbetweenNew = abdomen length, CL = cephalothorax length,
Guinea, SE Asia, Australia and western Pacific EFL = eye field length, PEW = posterior eyes
archipelagos have long been discussed and
width.
resulted in different conclusions, depending on
taxon level, its age, dispersal power or habitat Marengo Peckham & Peckham, 892
requirements(e.g. Berland, 1934;Lehtinen, 1980, 1
1996; Zabka, 1991b, 1993; Proszynski, 1996). Marengo Peckham & Peckham. 1892: 66; Simon, 1901:
Over 50 salticid genera from New Guinea, 492; Bonnet, 1957;2714; Wanless, 1978:259; Brignoli,
mostly from its Papuan part, have been recorded 11998933::767267,; 1P9ro9s7/:\9n0s1k.i, 1971: 427, 1990: 203; Platnick.
previously (Zabka, 1993), although Marengo,
considered here, is new forthis list. Established TYPE SPECIES. Marengo crassipes Peckham &
biLtayniPkneacl,cukdhMeaaslma7y&soirPaie,ecntkSahulamamspt(erc1ai8,e9s2,J)avkfaon,roMwB.nocrrfnaresoosmipaeSnsrd,i PDeIcAkhGaNm,OS18I92S,(bfyomroPnaotpyupay.New Guinean species).
Philippines, and 2 ethiopian species reported Marengo differs from other ant-like salticid
from Kenya, Tanzania, Congo, Zaire, South generabythefollowingcharacters: carapace flat,
Africa and Angola, all ofthem revised by Wan- surface papillate; abdomen dark with transverse
less (1978). Some undescribed specieshave also light pigmented band; first legs massive, tibiae
been found in Bali, Lombok, Ambon, Sulawesi, swollen, with 2 rows of strong, dagger-like
Malaysia, Krakatoa and Thailand (Deeleman & ventral spines and with dense fringe; embolus
Proszynski. unpubl.; Zabka, unpubl.). twisted, set retrolaterally at the top oftegulum,
not around it; epigyne poorly sclerotised; cop-
MATERIAL AND METHODS ulatory openings indistinct, insemination ducts
long.
Specimens were collected by David J. Court, DESCRIPTION. Ant-mimicking spiders. Body
some with my own participation, in the Central 2.5-5mm long. Carapace elongate and slender,
ProvinceofPapuaNewGuinea; all aredeposited rather flat, surface distinctly textured, papillate,
inthe Queensland Museum, Australia. fovea lacking. Eye field with 2 darker spots,
Description format follows my earlier papers occupies =40% of carapace length. Eyes in 3
(e.g. Zabka, 1991a). Dissected epigynes were rows, though anterior laterals are set above and
cleaned in lactic acid for 10-30 min. or digested behind medians. Posterior median eyes midway
in 10% KOH for 12-48 hr at room temperature, betweenanteriorandposteriorlaterals.Abdomen
rinsed in distilled water, stained in ethanol elongate, with transverse light band, sometimes
MEMOIRS OF THE QULXNSLAND MUSEUM
R94
PIG. 1 Maren • -\ 5p. nav; holatypfl QMS425D6, male. A. general appearance: B, C, pfl!] UK f~>.
cbelieeral dentition; Leg
I
SALTICIDAE OF ORIENTAL, AUSTRALIAN AND PACIFIC REGIONS 895
covered with white hairs. Male abdomen shiny and legstructure (Davies & Zabka, 989)butthe
1
andwithweaklymarkedscutum.Clypeusnarrow, genitalia show they are not closely related.
backwards sloping. Cheliceral teeth showing The presence of 4 eye rows, the character
pluridentate pattern. Promargin with 3-6 and mentioned by Wanless (1978), also is oflimited
retromargin with 5-6 separate teeth, showing in- value. Unlike the Spartaeinae, Lyssomaninae or
dividual variation. Maxillae, labium andsternum Aihamas,theposteriorlateraleyesinMarengodo
elongate, the latter scutiform. First legs long, not form a distinctive 4lh row and their position
much heavier than others, held in mantis-like cannotbe considered as important phylogenetic-
manner, their tibiae swollen and with ventral ally.
fringe ofdense stiffhairs. In males anterior legs
longerbutlessmassive, additionallytheirfemora Marengo courti sp. nov.
and patellae fringed. Ventral tibial spines mass- (Figs 1A-E,2A-E)
ive, dagger-like, in prolateral and retrolateral
rows,of3 (inonecase,4),sometimesdifferingin ETYMOLOGY.For DavidJ.Court(Boroko, PapuaNew
numberinthesamespecimen. Metatarsalspines, Ciuinea,nowSingapore),arachnologistandthecollectorof
especiallyproximalones,reducedinsizetosmall specimensstudied inthis paper.
kspnuorbs..MeOttahtearrsiliengsmaslleesnwdietrh.pLroexgimaflorvmeuntlraa:l MATERIAL.HOLOTYPE:QMS42506,M,PNG,Central
Province. Brown R., lowlandrainforest, 16.vii.1988, D.J.
I-IV-II-II1. Male palpal organ very uniform in Court,M.Zabka.ALLOTYPE:QMS42507,F,samedata.
structure, showing little variation between PARATYPES: QMS42S08,3 Ps, samedata.
species. Cymbium with apical bristle, bulbus
bag-like, sometimes with distinctive posterior DIAGNOSIS. Bulbuswithdistinctive lobe,tibial
lobe. Spermophore more or less translucent, apophysis shorter than in the next species.
meandering in its median part (if visible). Epigyne with extended membranous pseudo-
Embolus long, coiled distally around membran- pocket (Fig. 2B, arrow). Insemination ducts
ous haematodocha. Tibial apophysis slender. without accessory glands.
Epigyne weakly sclerotiscd, in the form of 2 Male(Fig. 1A). CL 1.87, EFL 0.80, AEW 1.19,
delicate depressions divided by median ridge. PEW 1.27, AL 2.08. Carapace brown, without
Copulatory openings indistinct, leading to wide numerous white hairs, eye field with 2 darker
inseminationductsbecomingnarrowerandmore spots, eye surrounding black. Abdomen grey,
sclerotisedbeforeenteringthethick-walled,small transverse band slightly lighter. Spinnerets
spermathecae. Insemination ducts with or whitish. Clypeus. chelicerae, maxillae and
without accessory glands. labium greyish-brown,the latterwithlightertips.
Cheliceral promargin andretromarginwith4and
AFFINITIES. Wanless(1978)andPlatnick(1984) 5 teeth, respectively (Fig. ID). Sternum orange.
hypothesise relationships between Marengo, venter grey. Leg I (Fig. IE): femur, patella and
oriental Mantisatta and american Cheliferokles. tibiabrown, laterallydarker,ventrallywithdense
Indeed, the genera share similarities in genitalia hairs, femuralsowithdorsalhairs. Legs IIand 111
yellowishwithbrownsidesoffemur. LegIVwith
pattern and leg morphology, the latter character
darker sides of femur, patella, tibia and meta-
an adaptation to hunting strategy rather than the
tbrehesauanltcorotefhverirecsle.at(iMboaannrskth)iispdaswt.etlCalheelrliivwfeiestrhoiin1dsettselriemsgikstnehoenwaevnsitest,ro FtPaeErmsWuasl.1e.P1(a4Fl,piaAgl.L2asA2.)i2.l3lC.uLsCt1lr.ay7tp1ee,duEisnFbLFriog0..w7n21.,B.CAChe.ElWice1r.a1e4,,
hunting in a mantis-like manner (Cutler & maxillae, labium and sternum dirty-orange, the
Wanless, 1973).Thereisnoinformationoncrevice firstwith3promarginaland6retromarginal teeth
dwelling in Marengo. Some species are rain- (Fig. 2E). Leg 1 (Fig. 2D): femur and tibia with
forest foliageinhabitants, othersmaybe found in greyish-brown sides, the latter with ventral
mangroves. It is likely that, as in some other fringe, patella distally darker. Leg II: sides of
salticid genera (e.g. Diolenius), Marengo speci- femur with dark distal spots, patella, tibia and
mens may mimic flies in reverse, with first legs metatarsus greyish, especiallyretrolaterally. Leg
held in the manner offlies* wings. 111: retrolateral femur with grey distal spot,
retrolateralpatella,tibiaandmetatarsuswithgrey
Three Australian genera, Rhombonotus, Dam- bands.LegIV: femursidesgrey,patella,tibiaand
oetasandLigonipes,resembleMarengoinhabitus metatarsus with retrolateral bands. Epigyne and
MEMOIRS OF THE QUEENSLAND MUSEUM
K96
,-.
^Sfew*
FICL2, MarmgQCOUrtisp. nov. ftllotypeQMS42507, remale.A.general appearand I li ie -nd internal
genitalia; D, leg I; E, cheliccraJ dentition.
,
SALTICIDAE OF ORIENTAL, AUSTRALIAN AND PACIFIC REGIONS 897
internal genitalia as shown in Fig. 2B.C. Other DIAGNOSIS. Male abdomen with 2 light spots
characters as in male. rather than transverse band. Tibial apophysis
bentaside, posteriorbulbus' lobenot distinctive,
Marengo platnicki sp. nov. embolus rather massive. Female internal gen-
(Figs3A-E,4A-E) italia multi-chambered, insemination ducts
proximallywidened,accessoryglandsnotvisible.
ETYMOLOGY. For Dr Norman I. Platnick (American Male(Fig. 5A). CL 2.13, EFL 0.88, AEW 1.30,
MuseumofNatural History,New York). PEW 1.35, AL 2.34. White hairs on carapace
ratherscanty. Abdominal scutumpoorlymarked,
MATERIAL. HOLOTYPE: QMS42509, M, PNG,
CSeinrtirnaulmPuroDvainmc,e,1S5.WVIsIi.d1e9o86f,maDi.nJ.AsCtoruorlta.beARLaL.,OaTdYjaPcEen:t sstirdiepsesw.iCtlhypcehaursacbtreorwinst.iCchelilgihctersapeotosraanngdenbarrorwon,w
QMS42510,F,samedata. with 4 promarginal and 6 retromarginal teeth
(Fig. 5D). Maxillae and labium dirty brown with
DIAGNOSIS. Male carapace sides with white lighter tips. Sternum pale-orange, venter grey.
hairs. Palpal tibial apophysis laterally bent and Leg I: femurdirty-brown with ventral and dorsal
longer than in the previous species, bulbus with fringe, the first being lessdistinctive; patella and
posteriorlobe. Femaleinseminationductsproximal- tibia lighter, especially their dorsal and ventral
ly very wide, with distinctive accessory glands. surfaces, both with ventral fringes; metatarsus
Male (Fig. 3A), CL 1.92; EFL 0.78; AEW 1.19; and tarsus yellowish. Leg II: sides of femur
PEW 1.19; AL2.23. Carapacebrown, sideswith dark-grey.LegIII:retrolateralsideoffemurgrey.
white hairs. Abdomen grey, glittering, laterally Leg IV: sides of femur, retrolateral tibia and
metatarsus grey. Other parts of legs yellowish.
darker, with light transverse band. Clypeus and
frontal chelicerae brown, the latter with 4 pro- Palpal organ as illustrated in Fig. 5B,C.
marginal and 6 retromarginal teeth (Fig. 3E). Female(Fig. 5E).CL 1.61,EFL0.67,AEW0.90,
Sternum orange, venter grey. Leg 1 (Fig. 3D): PEW 1.01, AL 2.02. Behind PLE distinctive
femur, patella and tibia brown with ventral white hairs. Clypeus brown. Chelicerae dirty-
fringe, dorsal parts of femur lighter with distal orange, with 3 promarginal and 5 retromarginal
hairs, metatarsus and tarsus yellow. Other legs teeth (Fig. 5H). Maxillaegreyish-orange, labium
yellowish, II and III with darker sides, IV with darker, sternum orange with darker margin.
darkerposteriorsides offemur, patella and tibia. Ventercentrallylight-grey,towardssidesdarker.
Palpal organ as illustrated in Fig. 3B, C. Leg I: sidesoffemurandtibiadark-grey,therest
Female (Fig. 4A). CL 1.82; EFL 0.72; AEW yellowish, tibia with ventral fringe. Leg [I:
1.09; PEW 1.14; AL 2.21. Generally coloured as tpirboilaatweirtalhtgirbeiayabnadndre.trLoelagteIrIaI:l rfeetmruorl,atpeartaelllfaeamnudr
male, behindtheeye fielddistinctivewhitehairs. with distal grey spot. Leg IV: distal sides of
Clypeus brown. Chelicerae dirty-light-brown,
femur, retrolateral tibia and metatarsus grey.
with 4 promarginal and 5 retromarginal teeth Other parts of podomeres II-IV yellowish.
(Fig. 4D). Maxillaeand labium dirtyorangewith
Epigyne and internal genitalia as shown in Fig.
lighter tips. Sternum dirty-yellow, venter beige.
5F,G. Othercharacters as in male.
Leg I (Fig. 4E): lateral femur and tibia brown-
glarteeyr,althfeemlautrt,erpwaittelhlaveantnrdaltifbriiangwei.tLhedgarIIk: rbeatnrdo.- Marengo rafalskii sp. nov.
Leg IV: distal femur laterally dark, retrolateral (Fig. 6A-D)
tibiaandmetatarsuswithdarkband. Epigyneand ETYMOLOGY. For Prof. Jan Rafalski (1909-1995),
internal genitaliaas illustrated in Fig. 4B,C. prominent Polisharachnologist.
Marengo proszynskii sp. nov. MATERIAL. HOLOTYPE: QMS42S13, M, PNG,
(Fig.5A-H) Central Province, Brown R., lowland rainforest,
29.VI.1988, D.J. Court. PARATYPE: QMS42514, M:
ETYMOLOGY. For Prof. Jerzy Proszynski, prominent same locality, from foliage, 13.VII.1988, M.Zabka.
Polish specialist in taxonomy and biogeography of DIAGNOSIS. Eye field covered with dense
Sallicidae. white hairs. Bulbus elongate, with posterior
lobe.
ZPMarAboTvkiaEn.RceIA,ALBLLr.OoTHwYnOPLREO.:,TlYQoPMwESla4:n2dQ5M1raS2i4,nf2oFr5,ess1ta1,,mM1e,3.dPVatINaIG..,19C8e8n,trMa.] PMaElWe (1F.i1g9.,A6AL).2.C23L. Cl.a9r7a,pEacFeLb0r.o8w3n,,AdEisWtinc1t.i1v1e
MEMOIRS OF THE QUEENSLAND MUSEUM
898
FIG.3. Marengoplatnickisp.nov.holotypeQMS42509,male.A,generalappearance;B,C,palpalorgan;D,leg
I; E, cheliceral dentition.
SAJLTIC1DAE OF ORIENTAL. AUSTRALIAN AND PACIFIC REGIONS 899
RCL 4. Marengo pitltnicki sp. nov. allotype QMS42510. female. A. general appearance; B, C. epigyne and
internal genitalia; 13,eheliccrul dentition; C, leg I.
900 MEMOIRS OF THE QUEENSLAND MUSEUM
(;Vv,u x
FIG. 5. Marengo proszynskii sp. run. A-L, holotvpe QMS425] I, male; A. general appearance; B, C, palpal
organ; D, male chelicera] dentition; E-H, allotype, QMS42512, female; E, general appearance: I . G, epigync
and internal genitalia; 11. chelicera! dentition.
light hairs extending behind PLE. Eye surround- with 5 prolateral and 6 retrolateral teeth (Fig.
ings darker. Abdomen dark-grey with light 6D). Pedipalps' proximal podomeres grey-
transversebandand2 darkerapodemes. Spinner- brown, disla! gradually lighter to whitish. Max-
ets whitish. Clypeus brown, chelieerae lighter, illae and labium dirty-orange, sternum lighter.
SALTICIDAE OF ORIENTAL, AUSTRALIAN AND PACIFIC REGIONS 901
spermophore
FIG. 6.Marengorafalskiisp. nov. holotype, QMS42513, male. A, general appearance; B, C, palpal organ; D.
cheliceral dentition.
Ventergrey,centrallylighter. LegI: massiveand MATERIAL. HOLOTYPE: QMS42515, PNG, Central
long, femur, patella and tibia greyish-brown, Province, Varirata National Park, 2.VI.1985, D.J. Court.
dorso-ventrally lighter, all with ventral fringes. ALLOTYPE: QMS42516, F, same data. PARATYPES:
Leg II: femur with lateral grey bands. Leg III: QMS42517-42518, 2 F's, same locality, 23.V1.1985,
retrolateral side offemur grey. Leg IV: sides of 24.VIIL 1985, DJ. Court, M, 2 juv., Central Province,
Brown R., lowland rainforest29.VI.1988, D.J. Court.
femur grey, along retrolateral surface ofpatella,
tibiaandmetatarsusgreyband. Otherpodomeres DIAGNOSIS. Male carapace without numerous
ofall legs white-yellow. Palpal organ as in Fig. white hairs. Bulbus short, posterior lobe small.
6B,C. Female insemination ducts anteriorly narrow,
with distinctive accessory glands.
Male (Fig. 7A). CL 2.23, EFL 0.93, AEW 1.45,
Marengo variratae sp. nov. PEW 1.50, AL 2.65. Carapace brown, eye sur-
(Figs 7A-E, 8A-E, 9A-F) rounding black. Abdomen grey with light
transverse band. Spinnerets whitish. Clypeus
ETYMOLOGY. Forthetype locality. brown, chelicerae lighterwith 4 prolateral and 5
UIIJ MEMOIRS Of THE 01 IBENSLAND MUSEUM
FIG. 7. Marcni ift SO, nov hoiotype, gMS42515, male A.general appearance; B, C\ palpal organ: I),
eheliceral dentition; T, k
relrolateral teeth. Maxillae and labium grey- grey, Leg 1 (Fig. 7E): femur, patella and tibia
brown with lighter tips- Sternum orange, venter dirty-light-hroun. lighter dorso-laicmlly, each