Cremastus tutui Rousse

Rousse, P. & Noort, S. Van, 2014, Belesica madiba and Cremastus tutui (Ichneumonidae: Cremastinae), two entomological gems from South Africa, Zootaxa 3795 (2), pp. 161-173 : 170-172

Cremastus tutui Rousse & van Noort, sp. nov.

( Figs 6–7 )

Type material. HOLOTYPE ♀: South Africa, W. Cape, Kogelberg Nature Reserve, 34° 16.481S 19°01.033’E, 16 Mar-16 Apr 1999, S. van Noort; Malaise trap, KO98–M17, Mesic Mountain Fynbos, last burnt c. 1988 (SAM- HYM-P047378) ( SAMC). PARATYPES 1♀: same label data except: 16 Dec 1999 – 16 Jan 2000; KO98–M49 (SAM-HYM-P047379) ( SAMC); 1♂: same label data except: 16 Jan 1999 – 16 Feb 1999; KO98–M11 (SAM- HYM-P047380) ( SAMC); 4♂♂: same label data except: KO98–M12 (SAM-HYM-P047381) ( SAMC).

Diagnosis. Black and bright yellow overall; face and clypeus punctate, remainder of head coriaceous; clypeus transverse; flagellum with 27–34 flagellomeres; mesosoma moderately to densely punctate; propodeum rugulose, carination complete but area superomedia often not laterally delimited beyond costula; hind wing with 1/Cu & cu- a straight, distal abscissa of Cu absent; tergites1–3 aciculate, following finely coriaceous. CT 2.0; ML 0.7; IO 2.0; OO 1.1; Fl1 4.3; Fl15 1.4; Fl26 1.2; OT1.9.

Differential diagnosis. This species is readily distinguishable from C. madagascarienscis based on the striking interspersed black and yellow coloration. Cremastus tutui also exhibits a wider clypeus, a shorter malar line, a shorter ovipositor, and the propodeal carination is often evanescent apically.

Description. FEMALE (2 specimens). B 6.2–6.4; A 3.1–3.2; F 3.5–3.8(Holotype: B 6.4; A 3.2; F 3.8).

Color. Head bright yellow with occiput black and a black mid longitudinal stripe from vertex to at most dorsal margin of clypeus; flagellum testaceous; mesosoma bright yellow and black; black: propleuron, sometimes a median stripe on pronotum, most of mesoscutal lobes, scuto-scutellar groove, propodeum partially to totally, mesosternum and most of mesopleuron and metapleuron but a median oblique large stripe; margins of black markings on head and mesosoma sometimes fading to dark reddish; legs mostly bright yellow but coxae and trochanters pale yellow and hind coxa black maculated; metasoma bright yellow with tergite 1 mostly black, most of tergite 2 and basal half of following tergites dark brown; wings hyaline, venation light brown.

Head. Mandible stout with teeth subequal; clypeus rather short, transverse, shallowly punctate, ventral margin weakly and evenly rounded; face distinctly bulging medially, densely punctate, punctation sparser laterally; frons, vertex and temple coriaceous; ocellar triangle strongly wider than long; temple strongly rounded, head moderately constricted behind eyes; antenna with 27 flagellomeres.

Mesosoma. Pronotum shallowly and moderately densely punctate; mesopleuron and metapleuron densely and shallowly punctate, with speculum mostly smooth and a striate oblique furrow below speculum; mesonotum densely punctate, scuto-scutellar groove almost smooth, notaulus indistinct; propodeum rugulose but area petiolaris transversely striate, carination complete, area superomedia 1.5–2.0x longer than wide, distinctly to not delimited laterally beyond costula. Wings. Hind wing with 1/Cu & cu-a straight, not intercepted, distal abscissa of Cu absent. Legs. Tarsal claws with two basal pectens.

Metasoma. Tergites 1–3 longitudinally aciculate, following tergites finely coriaceous; ovipositor straight, its tip barely swollen.

MALE (5 specimens). B 6.3–6.9; A 3.1–3.7; F 3.4–3.7. Antenna longer with 30–34 flagellomeres; otherwise similar to female.

Etymology. Dedicated to Archbishop Desmond Tutu, one of four South Africans to have received the Nobel Peace prize, in acknowledgment of his life-long fight for Human rights. Noun in the genitive case. Distribution. South Africa (Western Cape).

Figures

FIGURE 6. Cremastus tutui sp. nov. Holotype female. A, habitus lateral view; B, head, mesosoma, dorsal view; C, head anterior view.

FIGURE 7. Cremastus tutui sp. nov. Holotype female (A – E); paratype male (F). A, mesopleuron, lateral view; B, propodeum, dorsal view; C, terminal metasomal segments, latero-posterior view; D, wings; E, data labels; F, male habitus, lateral view.