Sw W Do MR OM WO G R+VER + (308) gaa Chrysotoxum japonicum Mats. mee Nee See Sc He SQV SERRE I ROWNRAN Rm me BRN RWRA? 4 eee” RON RW 人 か RMN KA | SRI RN | RRA ANSi Re’ SEH’ Krave Qr vw RR (de BEC WN RN BWV BRERRYRRE) Bway’ Rev Ki He’ KRANNS RAW ERK URN RORY RR WK RR URW Ne BSRRRYVE Ri wo’ BAD A\EMN BN’ RIS BRON RY QRRHEARYVSR SRY SRRYMRERS 1 Bi WR RHR RBI RR PNR BRR’ RI RIN RERY* SAS I RON ws Beno (* NAA BSAPRK IN Beene Ri RAR RAS Rei RO’ RON RWWA’ Ble Sil Bi RAR*RARSSVN HE ROI Oy RERYVRRSI RAHN EK HVA NA Bs) Rie” HERVE Re PREARVY BRKREAR Bi KRESS Voie eR N Ke RE—K Bim’ Ik He)’ Black. Vertex on each side witha grayish pot, fuscous pubescented. ace orange yellow, pale yellowish pubescented, BORK ES Chrysotoxum japonicum n.
sp. (Pl. XVII, Fig. ¢). | (253)
RUKt BAS a broad middle stripe, as well as a spot on each side of cheeks, black. Proboscis brownish, Antennae black, somewhat longer than the face, the arista yellow. Compound eyes bare. Thorax on the anterior and posterior angles, scutellum, as well as pleural spots, orange yellow, scutellum in the middle fuscous. Calypteres and halteres pale yellowish, the latter at the stem somewhat brownish. Wings hyaline, with a few yellowish tinge, bases and costa testaceous, veins, stigma and a spot below the latter, yellowish brown, veins on the outer margin fuscous. Abdomen oblong, broader at the 2nd segment, the 2nd, 3rd, 4th and 5th segments each with a bow-like yellowish band, all of them being interrupted in the middle, the 3rd, 4th and 5th each on the hind margin yellowish, with short grayish-white hairs. The first 5 ventral segments each at the base yellowish, the 4th and 5th being interrupted in the middle. Legs orange yellow, coxae and trochanter brown, Length—14 mm. ; exp, 25.2 mm. Hab.—Honshu (Nikko, Kyoto). In the form and coloring much resemb'es to C.
sachalinense Mats. ( そ ) ふ~ On SD 2S TS IS 23 a + AS gt af =Microdon bifasciatus Mats. Bese Gabe aS eee ER ERR A RMR ARROW WO” ROA RW A Bee RR) (RY RINSr ao xrt(ev+-Sew RNS’ RES os nws” SRI Re Biwi 1 Pwd BK See RAR RR YK BRB KAHN AMA DNR RK BRR RYE PR me Re 4 wwe DAA en see Ee Sr Mn vs r_ BRI nwa xo Bi wie BRIN” Bie WA KSI A ISK RO RIS RW Rs SU XYRNSWE I Ga Rm ws ee (254>
— ——— ご UNA RSNMABNCK ARR’ 思 め 濾 人 1 后 9K ト A@ へ N% 典 >^ Beri wea’ Bi Hea wee SEG IR MN Roe SSR RR Ke SMA eY BRR KE Bi RRR fe KON KS RIE — 2 ae wey Microdon bifasciatus nsp.. (Pl. XVII, Fig. 29, 9). Blick. Face with silky grayish white hairs, vertex with brown hairs. Antennae black, the rst joint as long as the following taken together, the arista yellowish brown. Thorax finely granulated, with short grayish-yellow hiirs, thoss of the scutellum being much longer. Calypteres and halteres yellow. Wings as long as the abdomen, subhyaline, with a light fuscous tinge, the narrow parts along the veins infuscated, veins yellowish brown. Abdomen long, gradually narrower towards the apex, with short fuscous hairs, the 2nd and 3rd segments on each hind margin with a golden yellow hair-band, that of the 2nd being narrower. Legs black, tibiae and tarsi with grayish-white hairs, underside of the latter being provided with yellowish brown hairs Length—12.6 mm. ; exp. 22. 8 mm. Hab.—Hokkaido (Sapporo) ; a quite rare species. (310) Be SSN Ha +B (30) ( そ ) gt a2 Microdon jezoensis Mats. Ree ee See SA HA I ON DANSE BEN RN RAK AON Bn wed’? Be tw as WARE WA A BR OR) eRe PR Oe Be (RWS NaS eee Butt see (255)
fem SERS PRENRK OK BRA ELH IO NM BA BR RN RRO BRR YE It QA 一 Ray BA deel RAE SMR RonKen Svs i Po RB i/SOIN EN’ BERS e+ ea’ B MmaDoa Bad? REL SSN Bien n eww HOR W nes RIS RNY HT \ REN IER CERN BAP RNR Pe PEK RAY NA Bee g SWRA Bie SSK BEXY SS RR BEI GOV RW aN BER HE RRR eR RIE RBSR IK Ae PMRW A NK RES # weB’ Microdon jezoensis n.
sp. (Pl. XVII, Fig. 30, ¢). Black, with an aeneous reflexion. Face with silky pale yellowish hairs, vertex fuscous occiput fuscous pubescented. Antennae fuscous, the 1st joint except the apex brown, the arista fuscous. Thorax with silky pale yellowish hairs, in the middle bare and nearly smooth, with 4 purple stripes, scutellum with long fulvous hairs. Calypteres and halteres yellow. Wings subhyaline, the part along the veins narrowly infuscated, veins except the auxillary fuscous. Abdomen broad, with short black hairs, those of the sides being yellowish, the 2nd, as well as each hind margin of the 3rd and 4th segments with a pale yellowish hair-band, which being interrupted in the middle. Venter with short golden yellow hairs. Legs fuscous, apices of femora, tibiae and tarsi with some testaccous hairs, those of the taisi mingling some golden yellowish hairs. Length—13.5 mm. ; exp. 24 mm. Hab — Hokkaido (Sapporo) ; a quite rare species. A 46 2 1D AO WO Wh J 46 MH 1 4 RK Br o ーーンにデン #4 a0 Merodon Kawamurae Mats. | ーーーーーーニーボー
Beso, Chee RPE ANHDRAONA RM Rem see My {KM Sn wer? Be. Wn wn’ BS (RO RNS ERR IONRNNI ENO GAH AR HN OD PURAT PRE Wet heh ie DNR RB RE ROW RO! Bir RW RAT SRE RO Pei Ro RC ELSWR DrXNAKRGMn ed B64 Mel Res CRN RRRY ERR’ BG We\ EB we | Rm oe RIN YR RN EK IR ORR A BA PEK toy oY Ao MRR N EK Re REPRE EER Re BCH BS. BK’ KBNERIS MnR? BEV KERMPRS VHRR ISR BRIAR BEI RA eHKSRK WoW ISR KR SRR YA. HN HAS Re Ree Merodon Kawamurae n.
sp. (Pl. XVIII, Fig. 1, 2). Fuscous, with a coppery reflexion, Face with short whity hairs, vertex with longer fuscous hairs. Antennae brown, the 3rd joint oblong, longer than 2 foregoing joints taken together, the arista fuscous, on the basal half yellow. Proboscis brown, at the apex paler. Compound eyes with short whity hairs. Thorax with fulvous hairs. Calypteres pale yellowish white, halteres testaceous. Wings subhyaline, witha light grayish shade, veins fuscous. Abdomen oblong, with short fulvous and fuscous hairs, the 2nd segment on each side witha large testaceous spot, the 3rd and 4th segments each inthe middle witha grayish white band, which being interrupted in the middle, the 5th on the hind margin witha testaceous spot. Venter at the base on each side with a testaceous spot. Legs fuscous, apices of femora and bases of tibiae, as well as the claws, testaceous. Length—10.5 mm. ; exp. 18.5 mm. Hab. 一 Kiushu (Kumamoto) ; collected by Mr. H.
Kawamura. ROR HRS (257)
ROK Peas Wa BH OL 6 4 g AR Syrphus okinawensis Mats ReeoiNae See ; we Bei Ree Re ee Re BRA” Be RR RNG Ne ‘ee’ #RA RO OS WARNER I ROW BYK BWV BaXYRR eS WS SE A BRAN UA Ro BRR RA ey Rk Beem UR AN ES 8” HON Kem we ee RR SR Re REeN’ RI SRY RIURARE SN SS m CHR NEM YP DOA Bn HN REC ERR OH BEM HK Be Hie” PSR MS, tH Re BWR BRERA’ BERBERA NK? BIER N RR A W Son A Re-— = By)’ Syrphus okinawensis n.
sp. (Pl. XVII, Fig. 2, $). Yellow, thorax aeneus black. Vertex fuscous, with fuscous hairs, face with yellowish hairs. Antennae yellowis hbrown, the 3rd joint on its back brown, the arista yellowish. Proboscis yellowish brown, Scutellum yellowish brown, with long fuscous hairs. Calypteres and halteres yellowish. Wings longer thin the abdomen, subhyaline, with a grayish yellow tinge, veins fuscous, stigma yellowish brown. Abdomen long, the rst, and the 2nd to 4th segments on each hind margin, fuscous, on each anterior margin somewhat infuscated. Venter on the sides fuscous spotted, subhyaline. Legs yellowish, cox.e, trochanter and a (258)
spot in the middle of each femur, brownish. 1ength 一 i5 mm. ; exp. 27 mm. Hiab. 一 Okinawa ; collected by Mr, M. Kuroiwa. In the form resembles somewhet to S. forosanus Mats. Peer SH oH | Bitme & 42 Syrphus cinctellus Zett mo se ah YN ST Ge se at ae § Bee HR 4 ee AR RN A Kel 1 BN RR AIR RAW 1 A BES WR SIABAi Hn BE we RNS\wey RvB, we Wes we Bers RAM ey’ WN Ao Se 4 a) AR RNY BRB wR am RA EK IN DD A Bee PRI ERI NR He RI MR AN RK ARAN | BEARD EE KG eRe HW oe BR RW A’ Bin = (RN Be Bie BGK BH BHR ROS I RES) RR BRINN BRARRE—KR’ 24 BK OE HOON Ke Ree BSA BR <f ; 0 = BVO NWR HOLD 4 + <A Co gp 42 Syrphus lasiophthalmus Zett. RO Att ee (259)
sem Aya a eo 4 ae Re’ =P cy) Rar Bes Rs aa’ ge 4X ERY ,ayI BWA A” rae ful aes Bee, ee Bsa Agee BAN RRA A BEN BRN Re S(O ge IRN SAREE A Beale Be. BR ER eRe RR RR BRYA UR Oo RR A PRR AN ORR He AE KN OS | HERE A uk Wm EN Bee Rie? RHR RRR DOARRO RY BAe , RES Wem AR OY AKA BRES ERE BRANKRRANITR I WRK Mi. we Ka BSS. Ke’ wR BH CRN Ke BRA RR Ba I REE XV SS MRS SSSR SRS BRK RIB RB. BR gi an Melithreptus Suzukii Mats. Bees See Bide Riek N Amn BRS. | Se. Bel HR 4 eA RHR A BS RW G\WEXRYVER Re’ Seve RR OL DONE ee Beye 4 Sw\ ER. RO PK IHRM NNER An BEi AK Aw 4B Ke 避 和 dX WRK OS Ke BOSH 4 RO we RW DD A Ka miey’ ーー ビデ (269)