Perithemis capixaba, Costa, Janira M., De Souza, Luiz Onofre I. & Muzón, Javier, 2006

Costa, Janira M., De Souza, Luiz Onofre I. & Muzón, Javier, 2006, Descriptions of three new species of Odonata from Brazil, Zootaxa 1314, pp. 53-68: 62-66

publication ID

http://doi.org/ 10.5281/zenodo.173923

persistent identifier

http://treatment.plazi.org/id/03A687EE-2A4C-FFBF-FF4D-FA63B94367E4

treatment provided by

Plazi

scientific name

Perithemis capixaba
status

sp. nov.

Perithemis capixaba  sp. nov. ( Figures 37–43View FIGURES 37 – 43)

Holotype male: BRAZIL, ESPIRITO SANTO, Mutum Preto, Km. 11 , swamp near to forest (20 º 45 ’ 00’’ S – 41 º 13 ’ 60 ’’ W), 1.IX. 1971, N.D. Santos leg.GoogleMaps 

Etymology. The species name “ capixaba  ” refers to the type locality, the first Brazilian state where the species was collected.

Male (holotype). Head. Labrum yellowish with dark brown setae; anteclypeous oliveyellow; postclypeous and frons yellow, laterally greenish; vertex brownish; occiput brownish, medially diffuse black; rear of the occiput brownish with a black diffuse central stripe; postgenae brownish, 0.5 ventral black. Antennae dark brown. Labium pale. Thorax.

Prothorax, anterior lobe black, except for pale anterior margin; middle lobe brownish with two transverse black stripes not reaching middorsal line; posterior lobe brownish. Pterothorax olive­yellow without dark stripes; antealar sinus and carina olive­yellow. Venter of thorax and coxae I –III pale yellowish. Femora and tibiae I –III pale brown.

Wings ( Figs. 42–43View FIGURES 37 – 43): membranes orange, with a diffuse dark stripe from RP 1 to RP 3 at level of 1 st and 2 nd pnx crossvein. HW with a small diffuse dark spot between the triangle distal margin and RP. Pterostigma yellowish brown, anterior and posterior margins black. FW triangles 2 / 3 celled, HW 3 ­celled. Subtriangles 3 ­celled. Anx crossveins 8 ½– 7 ½ in the FW, 6 in HW. Pnx crossveins 6 – 5 in FW and 4–6 in HW. CuA crossveins in FW 2 / 1, HW ½. Bridge crossveins in FW 2 / 4, HW 3.

Abdomen. Brown with dark brown pattern as follows: tergite I with two central spots; II carinae, two circular spots on anterior margin and two semicircular spots on posterior margin; III carinae and two semicircular spots on the posterior margin extending anteriorly as dark brown irregular spots; IV anterior margin, carinae and two longitudinal dark brown stripes (except at black posterior margin,); V –VII anterior margin, middorsal carina and two longitudinal stripes as on V; VIII anterior and posterior margins, middorsal carina and two longitudinal stripes as on V, dark brown between longitudinal stripes at 0.3 posterior; IX anterior and posterior margins, middorsal carina, two longitudinal stripes confluent at anterior and posterior margins; X posterior margin and a triangular spot directed posteriorly from entire anterior margin and reaching posterior margin; first segment of vesica spermalis rounded ( Figs. 37–38View FIGURES 37 – 43); tip of hamuli nearly 0.50 from ventral margin ( Fig. 39View FIGURES 37 – 43). Anal appendages: cerci dark brown, tips black. Epiproct dark brown, slightly shorter than cerci ( Figs. 40–41View FIGURES 37 – 43). Genital plates and eusternites pale brown.

Measurements. Total length (incl. anal appendages) 22.5; Abdomen 15.4, cerci 1.0, epiproct 0.9. FW broken, length from base to nodus 10.8 /11.0, HW 20.5 /21.0, maximum width of HW 8.7. FW pterostigma 2.2 / 2.3, HW 2.5 / 2.6 +

Discussion. Perithemis capixaba  is most similar in coloration and size to P. mooma  a species known from Argentina – Belize – Bolivia – Brazil (Amazonas, Amapá, Maranhão, Piauí, Pernambuco, Sergipe, Alagoas, Espirito Santo, Rio de Janeiro, São Paulo, Paraná, Santa Catarina, Rio Grande do Sul, Minas Gerais, Goiás, Mato Grosso states) – Ecuador – Honduras, Guatemala – Mexico – Panama – Paraguay – Trinidad – Venezuela. The new species differs from P. mooma  by a diffuse dark stripe from RP 1 to RP 2 at level of 1 st and 2 nd post nodal ( Figs. 42–43View FIGURES 37 – 43) (absent in P. mooma  ); first segment of vesica spermalis gently rounded (trapezoidal in P. mooma  ); basal portion of fourth segment of vesica spermalis triangular (subquadrate in P. mooma  ); pterothorax without lateral dark stripes (two difuses in P. mooma  ).

1. Tip of hamuli almost at level of ventral margin ( Fig. 44View FIGURES 44 – 45) ............................................. 2

1 ’. Tip of hamuli at nearly 0.40 from ventral margin ......................................................... 6

2. Pterothorax with two lateral dark strips well defined ( Fig. 45View FIGURES 44 – 45); genital ligula with length of sclerotized distal portion of fourth segment less than half the length of the segment, margins parallel basal portion subquatrate ............................................ P. lais 

2 ’. Pterothorax with one well defined lateral dark stripe, the second lateral stripe poorly defined. Vesica spermalis with length of sclerotized distal portion of fourth segment half the length of that segment, margins not parallel basal portion subquatrate or trapezoidal .................................................................................................................... 3

3. Posterior region of head black; first segment of vesica spermalis rounded or trapezoidal....................................................................................................................................... 4

3 ’. Posterior region of head dark brown or reddish; first segment of vesica spermalis sub­ quadrate (Figs. 46–47) ............................................................................... P. icteroptera 

4. Abdomen without narrow oblique dark stripes on segments 4–9 ................................ 5

4 ’. Abdomen with complete blackish longitudinal bands ( Fig. 48) ......................... P. thais 

5. Wings rich golden yellow .............................................................................. P. cornelia 

5 ’. Wings red­orange .............................................................................................. P. rubita 

6. All triangles and subtriangles free ( Fig. 49); first segment of vesica spermalis trapezoi­ dal ( Figs. 50–51) ............................................................................................. P. mooma 

6 ’. At least one of triangles and subtriangles crossed. First segment of vesica spermalis ovoid or rounded........................................................................................................... 7

7. Legs dark brown; subtriangles in forewing with two or three cells; abdomen robust .... ............................................................................................................................. P. bella 

7 ’. Legs ochraceous yellow. Abdomen slender .................................................................. 8

8. Triangles in both wings free, subtriangles in forewing with two cells; wings broad (sensu Ris, 1930); first segment of vesica spermalis ovoid ( Figs. 52–53) ....... P. electra 

8 ’. Triangles in both wings crossed with three cells; wing narrow (sensu Ris, 1930); first segment of vesica spermalis rounded ( Figs. 37–38View FIGURES 37 – 43) .................................... P. capixaba 

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Odonata

Family

Libellulidae

Genus

Perithemis