Crocidium dichopticum Hesse, 1963

Lamas, Carlos José Einicker, Evenhuis, Neal L. & Couri, Márcia Souto, 2002, Descriptions of the spermathecae and male genitalia of the species of Crocidium Loew described by Hesse (Diptera, Bombyliidae, Crocidiinae), Zootaxa 45, pp. 1-12 : 4-6

Crocidium dichopticum Hesse, 1963 ( Figs 5­6 )

Crocidium dichopticum Hesse 1963: 280 ­281, 286; Hull, 1973: 185; Bowden, 1980: 399; Evenhuis & Greathead, 1999: 216.

Male genitalia: gonocoxa elongated; distiphallus long, surpassing apex of posterior process of gonocoxa by a distance equivalent to its length; lateral aedeagal apodeme not surpassing gonocoxal margins; gonostylus hook shaped ( Fig. 5 ).

Spermathecae: spermathecae elliptical with longitudinal axis equivalent to 1/3 of sperm pump length; spermathecal ducts very long, 21 times longer than sperm pump, enlarged on apical portion and forming a membranous cup in the attachment to the reservoir, uniting to form a short common spermathecal duct; sperm pump placed at nearly basal 1/18 of the spermathecal duct; sclerotized collars developed on both ends of sperm pumps. ( Fig. 6 ).

Material examined: South Africa. Western Cape: Worcester (near dam), 7 males (one dissected) and 7 females (one dissected), 11 Sep. 1981, J. Londt, L. Schoeman & B. Stuckenberg. Deposited in the Natal Museum, Pietermaritzburg, South Africa.

Figures

FIGURES 4 ­ 6. – Fig. 4: Spermathecae of Crocidium dasypolium Hesse, 1963; Figs. 5 ­ 6 – Crocidium dichopticum Hesse, 1963: 5. Male genitalia; 6. Spermathecae