Dasmeusa basseti Cavichioli & Chiamolera, 1999
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https://dx.doi.org/10.3897/asp.81.e102848 |
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lsid:zoobank.org:pub:9CF1B525-3D10-4516-A1B6-DA386F4C48DF |
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https://treatment.plazi.org/id/98C892CF-58BC-54BA-849F-D02958634384 |
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scientific name |
Dasmeusa basseti Cavichioli & Chiamolera, 1999 |
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3.1.4.1. Dasmeusa basseti Cavichioli & Chiamolera, 1999 View in CoL
Figs 1A View Figure 1 , 2A-I View Figure 2
Length.
♂ paratypes 8.8-9.2 mm (n = 2); ♀ paratype 9.6 mm; ♂♂ 8.8-9.2 mm (n = 3). Head (Figs 1A View Figure 1 , 2A View Figure 2 ): in dorsal view, well produced anteriorly; median length of crown approximately 7/10 of interocular width and 4/10 of transocular width; anterior margin rounded; ocelli large, located approximately on imaginary line between anterior eye angles; surface of crown concave; antennal ledge, in dorsal view, not protuberant. Thorax (Figs 1A View Figure 1 , 2A View Figure 2 ) with pronotum, in dorsal view, with width slightly greater than transocular width of head. Forewing with base of fourth apical cell approximately aligned with base of third; forewing of female, in rest position, exceeding apex of ovipositor.
Coloration (Fig. 1A View Figure 1 ).
Head, pronotum, and mesonotum light brown; ocelli orange. Forewing pale yellow, translucid, with veins light brown, preapical area with irregular, orange transverse band. Face, lateral and ventral portions of thorax, and legs mostly light brown.
Male terminalia.
Pygofer (Fig. 2B View Figure 2 ), in lateral view, with posterior margin obliquely truncate superiorly and rounded inferiorly, apex obtuse; macrosetae distributed mostly on posterior half but some located more anteriorly. Subgenital plate (Fig. 2C View Figure 2 ), in ventral view, with basal half broad and distal half very narrow; with elongate uniseriate macrosetae on basal half, microsetae distributed along outer lateral margin. Connective (Fig. 2D View Figure 2 ), in dorsal view, T-shaped; stalk carinate dorsally, subequal in length to one arm width. Style (Fig. 2D View Figure 2 ), in dorsal view, slender, elongate, extending posteriorly beyond apex of connective; apex narrow, directed ventrally, truncate. Aedeagus (Fig. 2E View Figure 2 ) symmetrical; shaft short; whole ventral margin of shaft produced into strong, slightly bifid process directed ventrally, posterior margin of process smooth; gonoduct distinct, curved, gonopore located apically. Paraphyses slightly asymmetrical, elongate, extending well beyond subgenital plate apex; stalk shorter than rami; in dorsal view (Fig. 2F View Figure 2 ), rami fused to each other along their basal halves, each bifurcate at apex; in lateral view (Fig. 2G View Figure 2 ), stalk arched dorsally, rami directed dorsally, narrower along apical half.
Female.
Terminalia with sternite VII (Fig. 2H View Figure 2 ), in ventral view, with posterior margin narrowly rounded. Pygofer (Fig. 2I View Figure 2 ), in lateral view, with posterior margin narrowly rounded; macrosetae distributed on posterior portion and extending anteriorly along ventral margin. Valvula I, in lateral view, with ventral interlocking device located on basal third of blade. Valvula II, in lateral view, with about 47 non-contiguous teeth.
Material examined.
French Guiana [new record] • 1 ♂: "FRENCH GUIANA: Laussat \ P3 \ 05°28′31.6″N - 053°35′07.3″W \ 30.IX.2010 \ Lamarre G. Leg "; "White sand forest \ Vitre trap (V 7)" (DZRJ) • 1 ♂: "FRENCH GUIANA: Montagne \ des Chevaux \ 4°44'56″N - 52°26'28″W, alt. 75 m \ 14.viii.2011 \ Malaise trap \ SEAG col." (DZRJ) • 1 ♂: "FRENCH GUIANA: Montagne \ des Chevaux \ 4°44'56″N - 52°26'28″W, alt. 75 m \ 09.viii.2011 \ window trap \ SEAG col." (MNRJ) • 1 ♂: "FRENCH GUIANA: Montagne \ des Chevaux \ 4°44'56″N - 52°26'28″W, alt. 75 m \ 24.iii.2012 \ Malaise trap \ SEAG col." (MNRJ). Guyana • 1 ♂ paratype: "#CICA00476 \ Pentaclethra macroloba [host-plant] \ Camoudi 11-03-1997 "; "Hand collecting/beating \ Station 2616 \ Seed/Sapl/Tree"; "Mabura Hill \ GUYANA \ Y. Basset, Coll." (DZUP) • 1 ♂: "#CICA 076 \ Pentaclethra macroloba \ Camoudi 21/4/1997 "; "Hand collecting/beating \ Station 6069 \ Seed/Sapl/Tree"; "Mabura Hill \ GUYANA \ Y. Basset Coll. "; “3193” (DZUP) • 1 ♂ paratype: "#CICA00476 \ Catostemma fragrans [host-plant] \ Camoudi 11-3-1997 "; "Hand collecting/beating \ Station 4126 \ Seed/Sapl/Tree"; "Mabura Hill \ GUYANA \ Y. Basset, Coll." (DZUP) • 1 ♀ paratype: "#CICA00476 \ Catostemma fragrans \ Camoudi 9-05-1997 "; "Hand collecting/beating \ Station 3557 \ Seed/Sapl/Tree"; "Mabura Hill \ GUYANA \ Y. Basset, Coll." (DZUP) • 1 ♀ paratype: "#CICA 076 \ Catostemma fragrans \ Camoudi 24-10-1997 "; "Hand collecting/beating \ Station 2476-1 \ Seed/Sapl/Tree"; "Mabura Hill \ GUYANA \ Y. Basset, Coll."; “9864” (DZUP) • 1 ♀ paratype: same data as preceding except “29-11-1996”; "Station 3273"; “2572” (DZUP) • 1 ♀ paratype: "#CICA 076 \ Eperua rubiginosa [host-plant] \ Camoudi 24-10-1997 "; "Hand collecting/beating \ Station 2551-2 \ On seedlings trees"; "Mabura Hill \ GUYANA \ Y. Basset, Coll."; “6916” (DZUP) • 1 ♂ paratype: "#CICA 076 \ Eperua rubiginosa \ Camoudi 16-9-1997 "; "Hand collecting/beating \ Station 4184 \ Seed/Sapl/Tree"; "Mabura Hill \ GUYANA \ Y. Basset, Coll."; “9556” (DZUP) • 1 ♀ paratype: same data as preceding except “12-6-1997”; "Station 5473"; “6208” (DZUP) GoogleMaps .
Taxonomic notes.
Cavichioli and Chiamolera (1999) considered the habitus of D. basseti (Fig. 1A View Figure 1 ) similar to that of D. pauperata (Fig. 1H View Figure 1 ), whereas they regarded the male terminalia similar to those of D. isabellina , mainly due to the shape of the aedeagus (Figs 2E View Figure 2 , 5E View Figure 5 ). However, D. basseti can be easily distinguished from these two species by the paraphyses (Fig. 2F, G View Figure 2 ) with the rami fused to each other along their basal halves, each one bifurcate at apex.
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.
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