Empis, Linnaeus, 1758
|
publication ID |
https://doi.org/ 10.1111/j.1096-3642.2005.00189.x |
|
persistent identifier |
https://treatment.plazi.org/id/039D7838-FFC7-FFEB-3C12-DAC2FE51FC84 |
|
treatment provided by |
Diego |
|
scientific name |
Empis |
| status |
|
EMPIS View in CoL (COPTOPHLEBIA) JACOBSONI DE MEIJERE, 1907
( FIGS 25–27 View Figure 25 View Figure 26 View Figure 27 )
References: De Meijere (1907): 251.
Type material studied: Lectotype: male, Indonesia, Java, Semarang, i.1906, Jacobson ( ZMAN) . Paralectotypes: 10 males and 23 females with the same data .
Lectotype designation: This species was described on the basis of numerous specimens (De Meijere p. 251 states: ‘zahlreiche Exemplar’), which were divided into two series: the first (25 specimens) with the following red label ‘ Empis jacobsoni De Meijere 1907 , ZMAN (type DIPT. 0432.1–25)’, the second (9 females) with the following red label ‘ Empis jacobsoni De Meijere 1907 , ZMAN (type DIPT. 0432.26–34)’. One male in good condition is herewith designated as lectotype of the species and labelled accordingly to fix and stabilize the current concept of the name. All other specimens become paralectotypes.
Redescription: MALE ( Fig. 25 View Figure 25 ): HEAD. Palpus brownyellowish. Labrum length about twice head height. THORAX. Scutum shiny to somewhat dusty grey in prescutellar depression. Antepronotum with 3 strong spine-like lateral bristles. Prosternum with 1 rather long lateral bristle. LEGS. Fore tibia strongly modified at base with strong spine-like anterodorsal bristles at basal third, 1 strong, long posterolateral about at middle; first fore tarsomere elongated, swollen at tip, remaining three fore tarsomeres swollen, more or less rounded, covered with numerous strong, long bristles. First two hind tarsomeres swollen. WING (length = 3.25) tinged with brown, all veins well sclerotized, A1 abbreviated. Halter with dark brown base, black knob. HYPOPYGIUM ( Fig. 27 View Figure 27 ). Cercus with minute spines at tip, rounded small bight on posterior margin. Epandrium with pair of well-developed dorsal protuberances, posteriorly strongly modified in long very massive projection bearing 1 very strong, long bristle, with numerous strong bristles ventrally and c. 10 strong, long bristles ventrobasally. Hypandrium well sclerotized, sickle-shaped in lateral view. Phallus narrow at tip, not recurved.
FEMALE ( Fig. 26 View Figure 26 ): mainly differs by the following characters: rather blackish in general colour, lower ommatidia enlarged. Fore coxa with 2–3 lateral pennate bristles, mid and hind coxae with 6–8 lateral pennate bristles. All femora, fore, hind tibiae with long dorsal and ventral pennation; mid tibia with long dorsal pennation, ventral pennation at base; first four fore tarsomeres, first two mid tarsomeres, first hind tarsomere with long dorsal pennation. Abdomen shiny except for last four segments, first five tergites with long lateral pennation. Cercus not shiny.
Distribution ( Fig. 35 View Figure 35 ): ORI: Indonesia: Java. Smith (1975) also notes the presence of this species in the Philippines. However, we have not seen any specimens from this country and all type specimens of E. (C.) jacobsoni are from Java.
Remarks: E. (C.) jacobsoni can be distinguished from other species by the combination of the following characters: fore tibia strongly modified with strong spinelike anterodorsal bristles, fore tarsus swollen with numerous bristles, and a series of characters in the male genitalia especially the posterior modification of the epandrium in a long very massive projection bearing 1 very strong bristle.
EMPIS (COPTOPHLEBIA) LACHAISEI SP. NOV.
( FIG. 28 View Figure 28 )
Type material: Holotype: male, Côte d’Ivoire, Mont Nimba , 25.viii.1973, 300– 400 m a.s.l., D.Lachaise ( MNHN).
Etymology: The species is dedicated to his collector, Dr Daniel Lachaise.
Description: Blackish species of small size with fore tibia deformed, epandrium somewhat lengthened bearing numerous bristles at tip and ventrally. MALE: HEAD. Occiput black. Face, palpus, antenna black. First flagellomere conical, second and third flagellomeres aristiform. Labrum slightly longer than head height. Labium with short bristles. THORAX black, most bristles missing, at least with following: fine lateral antepronotals, 3 notopleurals, 1 presutural supraalar. Anterior and posterior spiracles blackish. LEGS brownish. Fore tibia deformed at base, with several rather strong, not spine-like anterodorsal bristles at base, numerous fine rather long ventrals on apical half; basal four fore tarsomeres with apical circlet of strong bristles. Mid tibia with row of 3 strong, long dorsal bristles (at basal quarter, at middle, apically), 1 strong, long ventral at basal third; first mid tarsomere with 1 strong, long anterolateral. Hind legs missing. WING (length = 3) very clear, M1 feebly sclerotized. A1 abbreviated. Halter black. ABDOMEN black, with distinct bristles at base, on posterior margin of segment 8, otherwise very fine, short sparse bristles. Tergite 8 more sclerotized anteriorly. HYPOPYGIUM ( Fig. 28 View Figure 28 ). Cercus with minute spines at tip. Epandrium with pair of very small dorsal protuberances, somewhat lengthened with numerous strong, long bristles especially at tip, ventrally. Hypandrium sickle-shaped. Phallus long, slender, not pointed at tip.
FEMALE: unknown.
| ZMAN |
Instituut voor Taxonomische Zoologie, Zoologisch Museum |
| MNHN |
Museum National d'Histoire Naturelle |
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.