Fescennia analarara Stroiński, Bahder & Bartlett, 2025
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publication ID |
https://doi.org/10.11646/zootaxa.5729.1.3 |
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publication LSID |
lsid:zoobank.org:pub:4927DD2E-E95F-4BE0-AACA-DA010E3EC2FD |
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DOI |
https://doi.org/10.5281/zenodo.17907651 |
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persistent identifier |
https://treatment.plazi.org/id/038E8029-FF91-FF8E-FF78-D5E40DC9A74E |
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treatment provided by |
Plazi |
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scientific name |
Fescennia analarara Stroiński, Bahder & Bartlett |
| status |
sp. nov. |
Fescennia analarara Stroiński, Bahder & Bartlett sp. nov.
( Figs 17–22 View FIGURE 17 View FIGURE 18 View FIGURE 19 View FIGURE 20 View FIGURE 21 View FIGURE 22 )
Type Locality. Madagascar, Alaotra-Mangoro Region , Analalava Forest Reserve .
Diagnosis. Overall body coloration orange. In lateral view, head rounded, vertex nearly level. In dorsal view, lateral margins of frons relatively short and narrowed ventrally. Pedicel of antenna, not apically invaginated (dorsal peg and subapical lateral projection absent). Forewings with fuscous areas diffuse (without three large bands). Medioventral process of pygofer slender, bifurcated, serrate on dorsal margins. Aedeagus with slender, serrate fin-like processes.
Description. Color. Uniform orange, darker dorsally ( Fig. 17 View FIGURE 17 ), head paler, orange wash along posterior margin, clypeus pale, darker on lateral margins, pronotum orange, paler anteriorly and carinae. Tegulae white (fuscous dorsad) ( Fig. 18 View FIGURE 18 ). Forewings translucent with fuscous mottling ( Fig. 19 View FIGURE 19 ).
Structure. Head. Vertex trapezoidal transversely ( Fig. 18 View FIGURE 18 ); about 3.4x wider posteriorly than length at midline; anterior margin (between eyes) weakly convex, lateral margins arcuate, subparallel, posterior margin concave, two rows of sensorial pits on lateral margins ( Fig. 18 View FIGURE 18 ) (outer pits large, inner pits small and irregularly distributed) ( Fig. 18 View FIGURE 18 ), in lateral view, head angled at fastigum, profile rounded from fastigium to frontoclypeal suture, subantennal process extended from beneath antenna, arched dorsad approximate to hind margin of eye. In frontal view, frons relatively short (midlength about 1.4x greatest width), with lateral margins narrowed from fastigium, bearing row of sensorial pits on lateral margins ( Fig. 18 View FIGURE 18 ). Eye without dorsal callus; peg-like sensory structures absent; posteroapically without cuticular eminence ( Fig. 18 View FIGURE 18 ).
Antennal pedicel columnar with apical flagellum; projection and peg-like structures absent.
Thorax. Pronotum in lateral view raised above level of vertex, anteriorly declined; in dorsal view, convex anteriorly (between eyes), deeply concave posteriorly, narrowest at midpoint, postocular carina fully developed ( Figs 15B View FIGURE 15 , 16A View FIGURE 16 ). Mesonotum in dorsal view approximately 1.5x longer than wide at midpoint, tricarinate, median carina extending from anterior to scutellum, lateral carinae serpentine, arising at anteriolateral margin, curved posteriorly, obsolete in posterior 1/3 ( Fig. 18 View FIGURE 18 ). Metatibio-tarsal formula of hind leg 5-5-5.
Forewing ( Fig. 19 View FIGURE 19 ): branching pattern MP 1+2 4-branched; CuA 1a connected with branch MP 3+4 by transverse veinlet; clavus without false veins (sclerification).
Male terminalia ( Figs. 20–22 View FIGURE 20 View FIGURE 21 View FIGURE 22 ). Pygofer in lateral view strongly sinuate at anterior and posterior margins, narrowest medially, dorsolateral margin expanded into a large rounded lobe ( Fig. 20 View FIGURE 20 ); medioventral process angled dorsally, in lateral view, narrowest basally, expanding distally, bifurcated at apex, posterior process slender, sinuate, serrated on anterior margin, pointed at apex, anterior process slender, approximately half the length of posterior bifurcation, truncate at apex, serrated on anterior margin ( Fig. 20 View FIGURE 20 ). Gonostyli in lateral view irregularly spatulate irregularly sinuate on ventral margin, apex angulate, dorsal margin with pair of projections near midlength, proximal projection a rounded lobe, skewed cephalad, posterior projection a sclerotized hook, angled cephalad ( Fig. 20 View FIGURE 20 ); in ventral view, inner and outer margins irregularly sinuate, medial margin with large hooked process (sclerotized distally) near midlength and bearing a slender tooth on caudal margin; subapical medial margin expanded (creating a deep concavity between medial tooth and subapical region). Medial margin bearing large denticles (gonostyli asymmetrical apically) ( Fig. 20 View FIGURE 20 ). Aedeagal shaft irregular, margins sinuate, endosoma complex, asymmetrical with five retrorse processes; first process (E1) arising subapically on dorsal margin, left of midline, curved over midline to right lateral side, angled slightly ventrad, dorsal margin serrated near midlength; second process (E2) arising subapically on left lateral side, directed dorsad and cephalad, dorsal margin serrated in distal half, ventral margin with a few larger teeth; third process (E3) arising subapically on dorsal margin, elongated, nearly reaching aedeagal base, dorsal and left lateral margin serrated in distal half; fourth process (E4) arising subapically on ventral margin, right of midline, angled ventrad and cephalad, curving mesad to midpoint, right lateral margin serrated; fifth process (E5) arising subapically on ventral margin near E4, strongly bifurcated, inner bifurcation (E5a) short, slender, outer bifurcation (E5b) elongated, reaching adeagal base, lateral margins at apex serrated ( Figs 21 View FIGURE 21 , 22 View FIGURE 22 ). Anal tube in lateral view slender, narrowly triangular, nearly reaching apex of gonostyli, ventral margin sublinear, slightly convex, dorsal margin irregularly sinuate, apex curved ventrad ( Fig. 20 View FIGURE 20 ).
Plant Associations. Pandanus sp. ( Pandanaceae ).
Distribution. Madagascar, Alaotra-Mangoro Region, Analalalava Forest Reserve.
Etymology. The specific name analarara is an amalgamation of Analalava and the Latin word for rare “ rarus ” due to only finding one specimen despite extensive surveying.
Material Examined. Holotype ♂, Madagascar, Alaotra-Mangoro Region / Analalava Forest Reserve / 27.I.2023, ♂ / Coll.: B.W.Bahder / Host: Pandanus sp. , Fescennia analarara (FLREC) .
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.