Corinna rubripes

Rodrigues, Bruno V. B. & Bonaldo, Alexandre B., 2014, Taxonomic revision of the species group rubripes of Corinna Koch, 1842 (Araneae; Corinnidae), Zootaxa 3815 (4), pp. 451-493 : 454-455

publication ID

https://doi.org/ 10.11646/zootaxa.3815.4.1

publication LSID

lsid:zoobank.org:pub:C2E5AE3F-EA1A-43AA-9337-803F9A1BB7C9

DOI

https://doi.org/10.5281/zenodo.6130148

persistent identifier

https://treatment.plazi.org/id/03E1CA22-6B2F-5E47-FF2E-FA8BFD910B61

treatment provided by

Plazi

scientific name

Corinna rubripes
status

 

Group rubripes View in CoL

Diagnosis. Species of the group rubripes of Corinna can be recognized by the finely granulated carapace and chelicerae ( Figs. 4–6 View FIGURES 1 – 8 , 9–10 View FIGURES 9 – 16 ), high cephalic region, abruptly depressed posteriorly ( Figs. 7–8 View FIGURES 1 – 8 , 37–40 View FIGURES 37 – 40 ); posterior eye row procurved ( Figs. 2–3, 6 View FIGURES 1 – 8 ). Male palp with retrolateral tibial apophysis robust, without ventral process ( Figs. 47 View FIGURES 43 – 48 , 50 View FIGURES 50 – 57 , 68 View FIGURES 67 – 72 , 74 View FIGURES 74 – 81 , 99 View FIGURES 98 – 103 ); tegulum wide and ovoid ( Figs. 45 View FIGURES 43 – 48 , 54 View FIGURES 50 – 57 , 78 View FIGURES 74 – 81 , 87 View FIGURES 83 – 88 ); reservoir with ellipsoid orientation ( Figs. 43 View FIGURES 43 – 48 , 58 View FIGURES 58 – 61 , 63 View FIGURES 63 – 66 , 90); tegular process triangular, poorly developed or absent ( Figs. 43 View FIGURES 43 – 48 , 54 View FIGURES 50 – 57 , 74 View FIGURES 74 – 81 , 83 View FIGURES 83 – 88 , 94); conductor not extended prolateraly, generally accommodating the distal third of the embolus ( Figs. 47 View FIGURES 43 – 48 , 58 View FIGURES 58 – 61 , 69 View FIGURES 67 – 72 , 90); embolus base fused to tegulum ( Figs. 45 View FIGURES 43 – 48 , 63 View FIGURES 63 – 66 , 70 View FIGURES 67 – 72 , 94). Posterior vulval plate well developed, with lateral folds embracing the primary and secondary spermathecae and latero-median fenestrae at the level of primary spermathecae ( Figs. 53 View FIGURES 50 – 57 , 66 View FIGURES 63 – 66 , 77, 81 View FIGURES 74 – 81 , 86 View FIGURES 83 – 88 , 97, 110).

Description. Total length (males and females) 7.25–16.5. Carapace suboval in dorsal view, with fine granulations ( Figs. 1, 4–5 View FIGURES 1 – 8 , 33–36 View FIGURES 33 – 36 ), longer than wide, widest at coxae II, cephalic area high ( Figs. 7–8 View FIGURES 1 – 8 , 37–40 View FIGURES 37 – 40 ), well defined, specially in C. caatinga ( Fig. 40 View FIGURES 37 – 40 ); thoracic area with abrupt posterior depression, thoracic groove short; clypeus low (variation 0.27–0.65); posterior and anterior eye rows procurved in both in frontal and anterior views ( Figs. 2–3, 6 View FIGURES 1 – 8 ); MOQ wider than long ( C. regii n. sp. and C. ziriguidum n. sp., longer than wide); eyes circular ( Figs. 3, 6 View FIGURES 1 – 8 ), AME slightly larger than others. Interdistances: AME–AME separated by approximately AME diameter; AME–ALE by one to two AME diameters (in C. loiolai n. sp. separated by more than two times AME diameter); PME–PME by one to two PME diameters (females of C. balacobaco n. sp. and C. caatinga n. sp. separated by more two times PME diameter); PME–PLE by two to four PME diameters; ALE–PLE separated by approximately PLE diameter. Chilum glabrous, entire (reduced in C. tranquilla n. sp.). Chelicerae voluminous, strongly geniculate, with thin granulations and conspicuous basal condylus ( Figs. 9–10, 13 View FIGURES 9 – 16 , 37–40 View FIGURES 37 – 40 ); cheliceral promargin with 3 teeth, retromargin mostly with 4 teeth ( Fig. 12 View FIGURES 9 – 16 ), C. demersa n. sp., C. maracas n. sp. and C. loiolai n. sp. with 5 retromarginal teeth ( Fig. 14 View FIGURES 9 – 16 ) and C. caatinga n. sp. with 6 retromarginal teeth; fang strong ( Fig. 11 View FIGURES 9 – 16 ), cheliceral length approximately equal to height of carapace ( C. caatinga sp. n., females of C. zecarioca n. sp and males of C. maracas n. sp., approximately two times or more the carapace height). Endites convergent, promargin concave, retromargin with discrete internal excavation ( Fig. 16 View FIGURES 9 – 16 ), serrula in single row; labium longer than wide, with laterally projected posterior margin ( Fig. 16 View FIGURES 9 – 16 ); sternum longer than wide, entirely rebordered, especially on anterior margin ( Fig. 15 View FIGURES 9 – 16 ). Legs long, leg formula variable, generally I, IV, II, III; in C. rubripes , C. demersa n. sp., C. maracas n. sp., C. caatinga n. sp., C. tranquilla n. sp., males of C. vesperata n. sp., females of C. jecatatu n. sp. and C. mourai , IV, I, II, III. Femur I and II generally with 2 ventral and 1 prolateral spines; metatarsus I and II generally with 2 pairs of ventral spines; dense scopula on all tarsi ( Figs. 23 View FIGURES 17 – 24 , 27 View FIGURES 25 – 32 ) and metatarsi I and II (covering the entire segment, distal half or distal third); distal metatarsi III and IV with ventral dense clusters of stout setae ( Fig. 24 View FIGURES 17 – 24 ); claws pectinate, with 12–13 teeth ( Fig. 28 View FIGURES 25 – 32 ); claw tufts dense ( Figs. 26–27 View FIGURES 25 – 32 ); thricobothria irregularly distributed on dorsal surface of tarsi ( Figs. 17, 21–22 View FIGURES 17 – 24 ), thricobothrial base rebordered ( Figs. 18–19 View FIGURES 17 – 24 ); tarsal organ subapical, capsulated, with rounded aperture ( Fig. 20 View FIGURES 17 – 24 ); female palpal tarsus with one pectinate claw ( Fig. 25 View FIGURES 25 – 32 ). Abdomen generally oval, with long sparse simple and feathery setae, except in C. aechmea n. sp., C. demersa n. sp. and C. maracas n. sp. with dense hair covering ( Figs. 29–32 View FIGURES 25 – 32 ); male dorsal scutum placed on anterior distal third or anterior half of abdomen, generally elongate ( Figs. 33–36 View FIGURES 33 – 36 ); scutum absent in females; tracheal tubercle absent; colulus inconspicuous, with few setae.

Male palp: Femur unmodified, generally with two distal dorsal spines ( C. jecatatu n. sp. with one; C. balacobaco n. sp. and C. zacarioca n. sp. with three spines). Patella unmodified. Tibia with single RTA, robust, without ventral process ( Figs. 47 View FIGURES 43 – 48 , 54 View FIGURES 50 – 57 , 63 View FIGURES 63 – 66 , 78 View FIGURES 74 – 81 , 90); ppRTA small in C. telecoteco n. sp., C. ziriguidum n. sp. and C. balacobaco n. sp. ( Figs. 43, 45 View FIGURES 43 – 48 , 83 View FIGURES 83 – 88 ), large in C. aechmea n. sp., C. jecatatu n. sp. and C. zecarioca n. sp. ( Figs. 50, 54 View FIGURES 50 – 57 , 58 View FIGURES 58 – 61 ); C. demersa n. sp. and C. maracas n. sp. with ventro-apical incision (Figs. 91, 95); C. vesperata n. sp. and C. hyalina n. sp. with RTA retrolaterally enlarged ( Figs. 75, 79 View FIGURES 74 – 81 ). Cymbium with distal dorsal scopula; in C. caatinga n. sp., cymbium with a large spurn-like basal dorsal projection, tapering towards the dorsum of tibia ( Figs. 64 View FIGURES 63 – 66 , 68 View FIGURES 67 – 72 ). T wide and ovoid, reservoir with ellipsoid orientation, with four folds visible ventrally ( Figs. 47 View FIGURES 43 – 48 , 50 View FIGURES 50 – 57 , 63 View FIGURES 63 – 66 , 78 View FIGURES 74 – 81 ); TPC triangular, firmelly attached to tegulum, poorly developed, generally inserted prolateraly ( Figs. 43 View FIGURES 43 – 48 , 58 View FIGURES 58 – 61 , 74 View FIGURES 74 – 81 , 87 View FIGURES 83 – 88 ), except in C. caatinga n. sp. inserted retrolaterally ( Figs. 63 View FIGURES 63 – 66 , 70 View FIGURES 67 – 72 ), absent in C. demersa n. sp. and C. maracas n. sp. (Figs. 90, 94); Tpr inserted retroapically in C. vesperata n. sp., C. vilanovae n. sp. and C. maracas n. sp. ( Figs. 74 View FIGURES 74 – 81 , 87 View FIGURES 83 – 88 , 94), inserted apically in C. aechmea n. sp. ( Fig. 50 View FIGURES 50 – 57 ). C sclerotized, not extended prolateraly, with retrolateral margin forming a groove which accommodates the distal third of embolus ( Figs. 47 View FIGURES 43 – 48 , 58 View FIGURES 58 – 61 , 69 View FIGURES 67 – 72 , 90); groove absent in C. vilanovae n. sp. and C. maracas n. sp. ( Figs. 87 View FIGURES 83 – 88 , 94). E fused to tegulum, curved retrolaterally, generally filiform ( Figs. 45 View FIGURES 43 – 48 , 63 View FIGURES 63 – 66 , 78 View FIGURES 74 – 81 , 90); in C. vilanovae n. sp., flattened, with wide tip ( Fig. 87 View FIGURES 83 – 88 ).

Epigynum: Ventral plate generally not projected posteriorly ( Figs. 56 View FIGURES 50 – 57 , 60 View FIGURES 58 – 61 , 76 View FIGURES 74 – 81 , 85 View FIGURES 83 – 88 , 96, 105); moderatelly projected in C. rubripes and C. kuryi n. sp. ( Fig. 109 View FIGURES 105 – 110 ), strongly projected in C. nitens and C. caatinga n. sp. ( Fig. 65 View FIGURES 63 – 66 ). CO generally medially placed ( Figs. 52 View FIGURES 50 – 57 , 80 View FIGURES 74 – 81 , 107 View FIGURES 105 – 110 ), anteriorly placed in C. demersa n. sp. and C. maracas n. sp. (Figs. 92, 96, 103), posteriorly placed in C. rubripes , C. nitens and C. kuryi n. sp. ( Fig. 109 View FIGURES 105 – 110 ). CD ventrally visible in C. rubripes , C. demersa n. sp. and C. caatinga n. sp. ( Figs. 65 View FIGURES 63 – 66 , 92). SS ventrally visible, except in C. caatinga n. sp. ( Fig. 65 View FIGURES 63 – 66 ). PS and SS partially covered by PVP ( Figs. 53 View FIGURES 50 – 57 , 77 View FIGURES 74 – 81 , 86 View FIGURES 83 – 88 , 106 View FIGURES 105 – 110 ), in C. caatinga n. sp. PVP covers only primary spermathecae ( Fig. 66 View FIGURES 63 – 66 ); PVP well developed. SS generally globular, with unsclerotized apex; ovoid in C. tranquilla n. sp. ( Fig. 81 View FIGURES 74 – 81 ) and in irregular C. caatinga n. sp. ( Fig. 66 View FIGURES 63 – 66 ); PS globular, smalller than SS, dorsally visible through PVP fenestrae ( Figs. 61 View FIGURES 58 – 61 , 77, 81 View FIGURES 74 – 81 , 108 View FIGURES 105 – 110 ). FD small, generally curved inward toward anterior end of epigynum ( Figs. 53 View FIGURES 50 – 57 , 77 View FIGURES 74 – 81 , 97, 110).

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Corinnidae

Genus

Corinna

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