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(Jpn. J. Sanit. Zool. Vol. 4t No. 3 p. 261-2641990)

A newspeeies of the SphaeToceTa Latreille, genus ' from Thailand (Diptera, )1804

Toshihiko HAyAsHi'

DePartment ef Medical Zootogy, Saitama ILIedieal School, Moroyama-maehi, Irurna-gun, Saitama 350-04, laPan

(Received: March 7, 199e)

Key words: , new species', Sphaeroceridae, Diptera, Thailand.

ttt-t- t Abstract: A new species, sphaerocera elephantis, is described ii6mThailand. The genus is recorded from Southeast Asia for the first time.

The Sphaerocera has never been Kirn genus (1968, 1972) recorded 5 species, S. recorded frem Southeast Asia. In course of curvipes Latreille (Europe, Asia, North and the study on the Orientar Sphaeroceridae, South America, Africa, Australia and New I found a new species of the Zealand), peculiar genus S. flaviceps Malloch (Central Sphaerocera from Thailand. I describeit America), S. tuberculosa Kim (North Amer- hereinafter. This is the first record ef the richardsi ica), S. Kim (South America) and from Southeast Asia. genus S. monilis Haliday (Europe). Later, Papp The follows the concept of presentpaper (1978) and Nishijima and Yamazaki (1984) the SPhaerocera Latreille, 1804 which described genus S. breviradiata (South America) was by Kim proposed (1968, 1972). Accord- and S. Pseudomonilis (Japan), respectively. to ing Kim (1968), it is distinguished from The latter species was also recorded from the other of the subfamily Sphaero- Sweden genera and Pakistan (RohaEek and Floren, cerinae by the following characteristics: Head 1987; Papp, 1988). Sphaerocera elePhantis with epistoma or not at all developed; n. sp, is poorly the 8th species of the genus in the mesonotum more or less flattened, with rni- world.

nute tubercles or with short microsetae; scu- tellurn rectangular, without a series of mar- Sphaerecera elephamutis n. sp. tubercles; wings Rd+s and Mi+2 ginal (Figs. 1-11) gradually converging toward apex and with normal anterior cressvein; preabdomen with- Body length: male 2.5-2.7mm, female out intersegmental 2 large membraneous 2.8-3.0mm, general color dark brown. areas; male with tergite 9 dis- Head: postabdomen generally brown, anterior part of tinct, not fused with tergite 8, tergite 10 frons and gena reddish; 5-6 ij minute; 2 ors separated frem tergite 8 or tergite 9, and minute, less than half as strong as those of with subanal plate poorly developed. His S. curvipes; vi strong; eye large, deeper tergite 8, tergite 9 and tergite 10 are now than wide, its largest .times diameter about 2.4 interpreted as sternite 8, sternite 9 as long (hypan- as smallest genal width; 3rd drium) and tergite 9 respec- antennal (epandrium), segment reddish brown, arista long, tively. about 1 mrn, Thorax: brownish, 'Xf"$IJ '(4' " mesonotum smooth, ac i' }ll and dc setae IS:' les'i-vaptJi( x al'lii-gigMk"3'so-o4' much weaker than those of S. curviPes; as]lva1 maask S LLInyZ otptza:38) katepisternum somewhat reddish } 261

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,,T,"ir,,,, 11"'pt"M?I,pt, ' , rt'IJIpt" 1 '

2 3

' 4 - 5 6 .

Figs. 1-6 Sphaerocera elephantis n, sp. ventral vlew, 3: hind tibia and 1: wing, Scale 1mm. 2: hind tibia and tarsomeres, and terrninalia, dorsal view. 5: tarsomeres, anterior view. Scale 1 mm, 4: male abdomen Scale O.4mm. 6: male terminalia, male abdomen, ventral view (terminaliaomitted).

ventral view. Scale O,2mm,

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-x----'Ux

- 8 7

9 -Figs, 10 11 7-11 SPhaerocera eleP]tantzs n, sp.

7: male terminalia, lateral view (inner genitalia omitted), 8: aedeagus and associated lateral parts, view

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of Medical and Pharmaceutical University with some longer setae on iower partl scu- Toyama for me the opportunity to survey the tellum rectangular, with a pair of very weak giving sphaerecerid fauna of Thailand. I would like to spine posteriorly. thunk Prof, E. Hori of Saitama Medical School NN'ing (Fig. 1): veins brown; R2-3 long: fer his kind en('ouragement and reading thc n]anu- 3rd costal sec:tor very short; Ai+CuA,, very scrlpt, and Dr. S. Shinonaga of Tokyo Medical long, strongly bent;, halter yellow. and Dental LJnivcrsity for reading the inanuscript. Legs: almost yel]ow to yellowish brown, only tarsomeres darkened; fore and hind RE I, Ir.RENCE [･; femora somewhat thickened; hind tibia (Figs. 2 and 3) with 2 ventroapical and 1 weaker Kim, K. C, (1968): A rcvision of Sphaervcera, with description of a new Afromyia anteroapical spinesJ hind tarsomeres (Figs. 2 genus (Dip- tera: Sphaeroceridae). Ann. Entomol. Soc. Ain,, and 3> flat and much dilated, 61: 296r312. Abdomen: male abdomen and terminalia K{m, K. C. (1972): New world genus Para- as in Figs, 4-9; tergites and sternites dark sphaerocera and allied groups, with descriptions brown; sternite 8 with short setae; epandrium of new genera and species CDiptera: Sphaero- Ns,ith rather long setae; cercus extremely pro- ceridae). itdisc. Publ. Entomol. Soc, Am,. 8: longed; surstylus (Figs. 6 and 7) slender and 377-414. long; paramere as in Fig, 9. Female abdQ- Nishijima, Y. and K. Yamazaki (1984): Studies men and terminalia as in Figs. 10 and 11; on the sphaerocerid from HDkkaido, with

tergites dark brown: sternites weakly sclero- descriptiuns of two new species (Diptera.

In: Memorial PaPers of Dr. tized; cercus with some rather long sinuate Sphaeroceridae). 73 setae. K6no, Tic'entiethAnni[,ersary,Sapporo,pp. 95.Papp, Hogotype, 5', Chiang ])ao, Thailand, 18 rl'. L. (]978): Sphacroceridae (Diptera) in v･iii, 1989. Hayashi. Type in the the collection of the Hungarian Natural History Museurn. the National Institute of Agro- Museum. IV. Sphaerocerinae. Acta Zool. Acad. Environmental Sciences in Tsukuba, Ibaraki, Sci. Hung. 24: 371-395. Japan. Papp, L. (1988): Sphaerocerinae and Copromy- ParatyPes. 18, 7gg, same data as holo- zinae (Sphaeroceridae, Diptera) from the Ori- t>,pe. Two female paratype$ are preserved ental region. Rev. Szaisse Zool., 95: 461-469. in the Insect A(useum, the National Institute RohE6ek, J. and F. Floren

Remarks. This species is easily distin- re ff guishable from the congeners by long and strongly bent Ai+CuA2. Apical spines on MpeXreili fir F lf'fe=re a) ] rapt hind tibia, flat and strongly dilated hind (ptma E, !h l' F t"is"] FD tarsemeres, male genitalia are also charac- terlstlc. y i eqvaii ", li lfVl=reO 1 xeg SPhaerocera ete- eresuLk. ;zis:re}S[MtsopMkg7ptectkL., Bionomics. All the individuals examined phantis SFgtMme-(f{･l Ai+CuA, eeh:ltttCft<, tsPti-CVf were eaptured on elephant dung, ntsh:o(ui6. ifEgcaop*eeotwotattwge, ffem

ACKNOWLEDGEMENTS emh:M51Z-(}ntrbL'.(vN6ttg}#DTa}cXEUab:iil fie`efo6. ptptesptrk, vain7v";rD:Opltikim-(ith)･. k. I express my sincere thanks to Dr. K. Kamimura

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