Dilatitibialis dilatata (Crotch) Canepari, Claudio, Gordon, Robert D. & Hanley, Guy A., 2013
publication ID |
https://doi.org/ 10.5281/zenodo.5176513 |
publication LSID |
lsid:zoobank.org:pub:068D2C0D-C92D-4E47-93FF-222CA4D5D824 |
persistent identifier |
https://treatment.plazi.org/id/038F8787-FF99-FF89-FF7C-5AD6FA2CFEA0 |
treatment provided by |
Felipe |
scientific name |
Dilatitibialis dilatata (Crotch) |
status |
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40. Dilatitibialis dilatata (Crotch) , new combination
Hyperaspis dilatata Crotch, 1874: 213 ; Korschefsky 1931: 187; Blackwelder 1945: 446; Gordon 1987: 27.
Description. Male. Length 4.4 mm, width 3.7 mm; body round, slightly elongate, convex. Dorsal surface smooth, shiny. Color yellow, pronotum with faint, mediobasal, more or less M-shaped, darker yellow macula; elytron reddish yellow with small, triangular spot at humeral angle ( Fig. 218 View Figures 218-234. 218-223 ); ventral surface with head, prosternum, meso-and metaventrites dark brown; abdomen dark brown medially, brownish yellow in lateral 1/4 and ventrites 4-6. Head punctures small, separated by a diameter or less, each puncture about as large as an eye facet; pronotal punctures slightly larger than head punctures, separated by 1 to 2 times a diameter; elytral punctures larger than on pronotum, separated by 1 to 3 times a diameter; metaventral punctures larger than on elytron medially, separated by about a diameter, coarser and separated by less than a diameter toward lateral margin. Clypeus weakly emarginate apically, nearly truncate, lateral angle rounded, surface with sparse, long pubescence. Eye canthus about 6 eye facets long, curved outward, apically rounded, yellow. Pronotum narrowed from base to apex, basal and anterior angles abrupt, lateral margin rounded, basal margin without trace of bordering line medially. Epipleuron narrow, grooved, descending externally, deeply emarginate for reception of femoral apices. Protibia widely flanged, flange much wider than remainder of protibia, outer margin curved, smooth, sponda slightly extended beyond protibial flange. Carinae on prosternal process narrowly separated at apex, slightly convergent toward base, not joined, each carina ended before midpoint of prosternal process. Metaventrite without setal tuft. Basal abdominal ventrite without setal tuft. Abdomen with primary pores laterally between ventrites 4-5 large, extended under apical 1/2 of 4th ventrite; postcoxal line on basal abdominal ventrite rounded throughout, extended forward, ventrite with sparse, short pubescence and large, dense punctures; ventrites 2-4 pubescent throughout, punctures large, becoming denser toward lateral margin; 5th ventrite coarsely, densely punctured in basal 2/3, apical 1/3 depressed, feebly depressed by primary pore laterally, without tubercle on each side of middle, apical margin broadly, weakly emarginate; 6th ventrite short, narrow, depressed medially, apical margin weakly emarginate, sparsely pubescent on each side of median depression, lateral angle abruptly rounded, surface densely punctured. Apical tergite with apex slightly emarginate. Genitalia with basal lobe slender, as long as paramere, asymmetrical, sides parallel, apex obliquely truncate; paramere wide, curved, Psc, apex with small, ventral projection ( Fig. 219, 220 View Figures 218-234. 218-223 ); sipho robust, strongly curved in basal 1/2, basal capsule large, inner arm short, wide, apex rounded, outer arm elongate, rather slender, longer than inner arm, with narrow, elongate projection at apex, with accessory piece, basal border broadly, weakly emarginate ( Fig. 221, 222 View Figures 218-234. 218-223 ).
Female. Similar to male except spermathecal capsule elongate, widened from base to apical 5/6, apical 1/6 slender, round; bursal cap oval with 2 sclerotized arms, apical strut short, laterally flattened in apical 1/2 ( Fig. 223 View Figures 218-234. 218-223 ).
Variation. Length 3.8 to 4.4 mm, width 2.9 to 3.7 mm.
Type locality. Brazil, Ega (Amazonas, Tefe).
Type depository. UMZC (lectotype designated by Gordon 1987).
Geographical distribution. Brazil.
Specimens examined. 6. Brazil. Amaz (Amazonas), St. Paul; Ega; Santarem. ( BMNH) UMZC).
Remarks. Dilatitibialis dilatata is distinctive within the genus because of the large size, nearly all yellow dorsal surface, short, incomplete prosternal carinae, and male genitalia with basal lobe long, slender; paramere apically rounded, not truncate; outer arm of siphonal capsule elongate, not as wide as in the similar appearing D. luteola .
The lectotype is a female, but there is little doubt it is the same species as the male described above.
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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Dilatitibialis dilatata (Crotch)
Canepari, Claudio, Gordon, Robert D. & Hanley, Guy A. 2013 |
Hyperaspis dilatata
Gordon, R. D. 1987: 27 |
Blackwelder, R. E. 1945: 446 |
Korschefsky, R. 1931: 187 |
Crotch, G. R. 1874: 213 |