Cylapocoris plectipennis Wolski

Wolski, Andrzej, 2013, Revision of the plant bug genus Cylapocoris Carvalho (Hemiptera: Heteroptera: Miridae: Cylapinae), with descriptions of seven new species from Costa Rica, Brazil, Ecuador, and Venezuela, Zootaxa 3721 (6), pp. 501-528 : 519-521

Cylapocoris plectipennis Wolski sp. nov.

( Figures 9 , 20 , 39 , 61 , 67–71 , Table 1)

Diagnosis. Recognized by the following combination of features: body relatively large (length 4.3 mm); antennal segment II with dirty yellowish annulation at apical one third ( Figs. 9 , 20 ); hemelytron entirely dark brown ( Fig. 9 ); endosoma with LS gradually becoming thinner toward apex, characteristically curved, hook-shaped at apical one fourth ( Fig. 67 ); MS small, nearly rhomboid; AS relatively small, semicircular; ML very small, ellipsoidal ( Fig. 67 ). Most similar to C. costaricaensis , C. cucullatus , C. funebris , and C. pilosus in sharing hemelytron without any pale patches ( Figs. 2–3, 5 ). With C. cucullatus and C. pilosus it shares an apical sclerite ( AS) ( Figs. 40 , 62 ). The present new species can, however, be easily distinguished by the relatively large body and the shape of the male genitalia ( Figs. 67–71 ).

Description. Male. COLORATION ( Figs. 9 , 20 ). Dorsum dark brown nearly blackish. Head. Dark brown; frons with two indistinct, dirty yellowish, narrow tinges laterally, each contiguous with inner margin of eye; antennal segment I and II dark brown, except for dirty yellowish, slightly tinged with red apical one third of antennal segment II; segments III and IV black; labium dark brown. Thorax. Thoracic pleura. Dark brown; scent gland efferent system fuscous; peritreme brown. Hemelytron. Membrane brown with veins darker, dark brown. Legs. Coxae, trochanters, femora, and basal two third of tibiae dark brown, apical one third of tibiae and tarsi dirty yellowish. STRUCTURE, TEXTURE, AND VESTITURE ( Figs. 9 , 20 , 39 ). Head. Matte, covered with irregularly distributed, semirecumbent setae; antennal segment II weakly thickened toward apex, covered with fine, semirecumbent setae. Thorax. Pronotum. Punctation moderately shallow; collar depressed in relation to remainder of pronotum. Hemelytron. Membrane without setae.

Male genitalia. Aedeagus ( Fig. 67 ). DSS longer than its width, very weakly broadened toward apex; LS gradually becoming thinner toward apex, characteristically curved, hook-shaped at apical one fourth, remainder; MS small, nearly rhomboid; AS relatively small, semicircular; ML very small, ellipsoidal. Right paramere ( Figs. 68–69 ). Paramere body: inner margin distinctly sinuate; apical process: lateral view: moderately curved, moderately elongate; dorsal view: left lateral margin sinuate; medial process distinctly developed, moderately rounded. Left paramere ( Figs. 70–71 ). Paramere body: distinctly broadened; apical process: lateral view: moderately curved; dorsal view: relatively narrow; subapical incision relatively shallow.

Measurements. Holotype ♂: Body length 4.3, width 2.1. Head. Length 0.48, width 1.0, interocular distance 0.54. Antenna. Length of segment I 0.58, II 1.4, III 0.65, IV 0.8. Labium. Length of segments I–IV 2.57. Pronotum. Length 0.83, width of anterior margin 0.78, length of lateral margin 0.83, width of posterior margin 1.63.

Female. Unknown.

Etymology. The specific epithet is derived from the Greek “plektos” meaning twisted, and is used to denote the twisted apical one third of the endosoma.

Biology. Unknown.

Distribution. Costa Rica (Puntarenas) ( Fig. 61 ). Type material. Holotype ♂: COSTA RICA, Punt. Monteverde, 20–24 Jun 1986, W. Hanson, G. Bohart (AMNH) ( Figs. 9 , 20 ).

Figures

FIGURE 61. Distribution map of Cylapocoris spp.

FIGURES 1 – 12. Dorsal habitus photographs of the species of Cylapocoris. 1. C. castaneus (holotype); 2. C. costaricaensis (holotype); 3. C. cucullatus (holotype); 4. C. fulvus (holotype); 5. C. funebris (holotype); 6 – 7. C. laevigatus: 6, holotype, 7, paratype (♀); 8. C. marmoreus (holotype); 9. C. plectipennis (holotype); 10. C. simplex (holotype); 11. C. sulinus (♂); 12. C. tiquiensis (♀).

FIGURES 13 – 22. Lateral views of the Cylapocoris species. 13. C. castaneus (holotype); 14. C. costaricaensis (holotype); 15. C. cucullatus (holotype); 16. C. fulvus (holotype); 17. C. funebris (♀); 18. C. laevigatus (paratype, ♀); 19. C. marmoreus (holotype); 20. C. plectipennis (holotype); 21. C. simplex (paratype, ♂); 22. C. tiquiensis (♀).

FIGURES 33 – 39. Frontal view of head (33 – 36), structure of pronotum (37 – 38), and scutellum (39). 33, 37. C. costaricaensis; 34. C. fulvus; 35, 38, C. laevigatus; 36. C. tiquiensis; 39. C. plectipennis.

FIGURES 62 – 71. Male genitalia of C. pilosus (62 – 66) and C. plectipennis (67 – 71). 62, 67. Endosoma (dorsal view); 63, 68. Left paramere (left lateral view); 64, 69. Apical process of left paramere (dorsal view); 65, 70. Right paramere (left lateral view); 66, 71. Apical process of right paramere (dorsal view); APR = apical process of paramere; AS = apical sclerite; BPR = basal process of paramere; DSS = sclerotized portion of ductus seminis inside endosoma; LS = lateral sclerite; ML = mesial lobe; MS = mesial sclerite; PB = paramere body.

FIGURES 40 – 49. Male genitalia of C. cucullatus (40 – 44) and C. fulvus (45 – 49). 40, 45. Endosoma (dorsal view); 41, 46. Left paramere (left lateral view); 42, 47. Apical process of left paramere (dorsal view); 43, 48. Right paramere (left lateral view); 44, 49. Apical process of right paramere (dorsal view). APR = apical process of paramere; AS = apical sclerite; BPR = basal process of paramere; DSS = sclerotized portion of ductus seminis inside endosoma; LS = lateral sclerite; ML = mesial lobe; MS = mesial sclerite; PB = paramere body.