# XR Helophilus pendulus L.
var. sapporensis Mats. Rsauo, ah eae go. a ee I RN | RR KEN RN Ri ROI eK ean RRA’ BR | BRM. RAR LH BEB\4ERY BS Bie RIB \ MRL DOAER meen’ Ri SH ORS Sev KReEKAn BRI KAHN 4 BERMAN’ we RWRd’ BR CHR PR\RL XD BEE BER\ SED RAR Pes’ B BQ RE CMH RO BRRRME SB WO’ RMD ArAKRAIN ww Bi wR’ | wAET MR RBI RAS | BAR RRO ER RIS VER I SREN TK 0 NO ee WP WMS SRNR RARYRAS XMM | BRANNA A ERK I BGK HORS 32M EGS ~ Be a 4 He a ee Oe ee nee use eae eee ro SY WD? RE Vee WE mB WN) # ER (245)
ORS Beavis. 4 Bre 4 REVEL ct g ac Helophilus akakurensis Mats. Rees Y\ ae eae em. Ki el’ RMSE K I Ke RRA | BS AO ON ER NS Rw Be. ee OW NN GS wee ON 4 BR Rey ae oe Ky Bary 4 Is LH RRR AH ESI R Aw RERN AK RW RO” BRC RR Ri we Res we Sn een’ ECHR RMI RARER ARRRY ERR RRO’ Rei ee Rev ee pes oe pemiae Se We sep em aK’ Bie. Ral’ WR BER BS RES IBS| BSA K Se. gia BLO MRI RAN), ASN HEN ROR RRA Ro’ NA 1 Om wa’ RmRV RS RA MSROINNE RNR RN BRYA HN HA’ RE-RE rf | Helophilus akakurensis n.
sp. (Pl. XVII, Fig. 22, 2). Grayish yellow. Vertex with a broad fuscous stripe, with fuscous pubescented face pale yellow, with whitish hairs, cheeks and antennae fuscous, the 3rd joint of the latter at the base on the outerside yellowish brown; the arista yellow. Proboscis fuscous. yellowish brown. Wings hyaline, at the base yellowish, veins yellowish brown, those of the outer margin fuscous. Thorax with 3 fuscous stripe, those of the sides somewhat spindle-shaped, with yellowish brown hairs, on the sides. Calypteres eee (246)
and halteres pale yellowish brown. Abdomen fuscous, at the base on each side with a large testaceous spot, the 1st segment, as well as 2 spots on each side and the hind margin of each following segment, grayish white, those spots of the 2nd segment much larger and of a roundish form. Venter brown, at the base testaceous. Legs fuscous, apices of the 1st 4 femora and larger parts ofthe same tibiae and metatarsi, tcstaceous, the hind tibia being only at the base testaceous. Length—13.5 mm.; exp. 21 mm. Hab.—Honshu (Akakura in the Prov. Shinano); 2 specimens collected by Mr. M.
Shibakawa. Pa ¥ DD 4 1) 8M 4 + YER oF g 42 Helophilus lateralis Mats. Mey eel ie ee so. pumas IB 4 ds gl’ ee oe ee Me. sey NR we OS ee BSN ES) Re ON RH” OBR BV SG 4A MEHR A’ RR Re EK RMN Rm RRR YES OWRD ae ero oe 4 eR DD A Kad Be BE eS 4 RR BE” 4 BRR’ mes ERE’ & en oo RRA KA Se 4 GE HR el ES OS OB i’ Si ie Bo ee 3 | SS RES 4 1X Be 4 my Ve i eis ss 4 Eee mR A Kos th HR ORE ON OK SES ee 4 AN Aim fam GN” ie+ Ee Ril’ RINRYRTS BS eee Na BA BS \ RE HRY SEES. eR | oe a vin ee ek ant eee (2a7)
__ BURT HRS en ee Ce eee emt Se | | | ————— — sss a a SoU ERR I RRR RA RBSRI BANK’ Rie — 2 ae By Helophilus lateralis n.
sp. (PI. XVII, Fig. 23, 2). Fuscous. Head goldenyellow, face with yellowish and vertex with fuscous hairs, a middle stripe of the face and the cheeks, fuscous. Antennae yellowish brown, the antennal-process at the base and ocellar region, fuscous. Proboscis fuscous. Thorax with dirty yellow hairs, sides yellow, with yellowish hairs. Scutellum yellowish brown, on the sides with short black hairs and on the porterior margin with pale yellowish hairs. Calypteres and halteres pale yellow. Wings hyaline, grayish, costal cell and stigma dirty yellow, veins fuscous, the costal, auxillary, 1st longitudinal and supernumeral veins, yellowish brown. Abdomen scarcely broader than the thorax, the 2nd, 3rd and 4th segments on each side witha yellowish spot, those of the 4th being smaller and placed somewhat obliquely, each segment, except the Ist, on the hind margin yellowish brown. Venter yellowish brown, the 4th segment fuscous. Legs fuscous, apices of the femora, the tibiae and the 1st tarsi of the anterior and porterior legs, yellow, apices of the hind femora and the tibiae dirty yellow. Length—12.6 mm.; exp. 16.5 mm. Hab.—Hokkaido (Sapporo); not rare. Snin GR Hw 4 R+VES ch ペン (394) Bb 82 Xylota basalis Mats. Bee SS MR a B26 Bea’ SKA Rie SERRA REE R ’ GE RS BERR RIB LARRY BSS \4S CHORE BRAHMI ah mB’ Bi. OWA OS. RR Be tHe - Ra RORY’ つ ヽ (248)
nim = sn => me. km SERUM OWRD BR HMA RW OW” RRO Ea I 6 ao WAKA, BRR AO PRR He RARE DAAR Kelm pew BK RE AY os 4 Aree INE SH mn ke HONRA? Hel RI SRY RNR w+), Pigg’ Bei Bae med Ri we HSER SS we ASK IC RMIRRA KT RRIKAHPNAK IAN RR BSBA PWR ERR HR RRR INRA PA PN KAR EA RAR NK RE B KA bY mR) on | AR Gas 5 +) a6 18 £10 *4 B+ VES o g AA Paragopsis griseofasciatus Mats. Bee, ee SRK SC SR SNES NRA KA RYE SI ROW RHO BB RW RA BS 4 Ba fdoK ORR. BU KN BS em HO’ RANT GANA HN ma HI] wd’ BRI RMNSVES KB IA’ HEV Re Rie ei on Ranke’ OS RR RSs 6 BR em Ba Ke BS BSmaADRAAKA’ PMN RKYPADKBHEKRAW BRIA AIA BR RRR RNR” RRR YER HO RAR ADD ARM NEY Be mR MMAR Bei Be+ ee RON RW NR ee RIRYRINGVSESER IRR HS BS \SEORAAKHNI IX On WHK’ CHRAS\ RH ne ROA’ Rigi we Bs = 1 /249) Rutt oes
we EG \ SS SEN RHR RBS RAOKR KK Bak 1] RAR FRE RK RI RBPRIWK Se PRR RR NK? Wy BMd wy v7 REE Paragopsis griseofasciatus n.
sp. (PI. XVII, Fig. 25, 2). Greenish black,with a coppery reflexion. Face and vertex on the sides with grayish white hairs, the vertex with brown hairs, Antennae large, black, the 3rd joint round, somewhat twice as long as the 1st and 2nd taken together ; the arista black, at the base brown. Face nearly flat, at the oral margin somewhat elevated. Prob oscisyellowish brown. Compound eyes with short sparse whity hairs. Thorax somewhat narrower than the head, with 4 indistinct fuscous stripes, those of the middle two placed nearly together each other, with short yellowish brown hairs. Calypteres and halteres yellow. Wings hyaline, with a grayish tinge, veins fuscous, stigma yellowish. Abdomen nearly as broad as the thorax, with short black hairs, the 2nd and 3rd segments in the middle on each side with an oblong fuscous spot; grayish white pubescented, posterior half of the 4th also with some grayish white hairs. Venter yellowish brown, Legs greenish black, apices of femora, bases of tibiae, as well as both ends of tarsi, yellowish brown. Length—7.4 mm. ; exp. 13.8 mm. Hab.—Hokkaido (Sapporo); not rare. Paragopsis n.
gr. In the form much resembles to 72/zgzy. Head oval, no antennal-process, at the insertions of antennae face somewhat elevated, ou facial tubercle, nearly flat, at the oral margin somewhat vaulted. Antennae large, the rst joint short and small, near the half length of the 2nd, the 3rd nearly round, somewhat twice as long as the 1st and 2nd taken together ; the arista near the apex of the 3rd joint, long, at the base with 2 hort oints. Proboscis short, Compound eyes of the female widely separated (250) eee
at the vertex, with short sparse hairs, occiput broad and somewhat elevated. Thorax somewhat narrower than the head. Wings nearly like that of Paragus. Abdomen in the middle nearly as broad as the thorax, the 2nd and 3rd segments subequal in length, the 4th somewhat longer than the former, at the apex somewhat curved downwardly. Legs short, hind femora much enlarged, clavate, somewhat longer than the same tibiae. Type—Faragopsis griseopasciatus Mats. —~ a SO 8 a Owe SON 0 SN Ress R+VBA © g af =Xylota formosana Mats, moa ah Sl ets at S24 Rea RRR A me Be. KARR A’ Be ee’ BBY BARNS S0BR\ HR RR oS RE RR Swi KRIS BPR’ QAR Rane No Ra MR CE RE ERIN ERED? RI RY RING BES HES eR SA Ao BRR RI ( ae Bi He BS\KERAn KHRYAS\ HEI Re’ BB S\EB IKI RNR SRR BSA RI BMRA SRR. NH DRIER LR BO! Ke AS — tie Be GEL Xylota formosana n.
sp. (Pl. XVII, Fig. 26, ¢). Black. ‘Face silky white, vertex with long fuscous hairs. Antennae brown, the antennal-process at the apices, the 3rd Ratt eee (251)
ROK eS joint, as well as the basal part of the arista yellowish. Proboscis fuscous, at the apex yellowish brown. Thorax with short fulvous hairs, Wings hyaline, with a grayish tinge, veins brown, stigma yellowish. Abdomen parallel on the sides, the second and 3rd segments on each side with a quadrate yellowish spot. Venter yellowish, at the apex fuscous, Legs black, femora at the apices (except the hind femora) and tibiae at the bases yellowish, the hind femur beneath with short fuscous bristles. Length—8 mm. ; exp. 15.4 mm. Hab. 一 Fomosa (Horisha). i ; .
Ages O RN kD SMR SS SS e+ Ven ct gaa Chrysotoxum sachalinense Mats. Remy aoH KSee SS BR ERE NIM YR Re NN RS ee EKA SEB BA | RR gM oNS4\ Rae’ Bet HR 2K- RETA I RRR ERS Rea’ a RARE’ BSRRYRARA BS HN’ Ri RN RARY*RAS Wl’ SRR} RAN WE SR hs \ RR RR 4 Be Bes PNK ATR A RERA—B KA bY m NR)? fw’ HR BRR REI RoOvNeWnRN’ BwrvB QNHRBKR AH BOXRY*RON RW RN’ RRL , aR’ SB RYRA RR RE} Emi +n RI Swe te) \ mS BER A We NA 4 BAH EK TOW Be YN Ae OR KN WAR Ae BRA REM ITN” BRM. REE K A BEI’ Rul SBI Rha SRK BRI Ri BK (252)