Monzenia minuta Yeh, 2017

Ko, Chiun-Cheng, 2017, A new genus and two new species of galling aphids (Hemiptera: Aphididae) from Distylium (Hamamelidaceae) in Taiwan, Zootaxa 4323 (2), pp. 209-218 : 210-213

publication ID	https://doi.org/ 10.11646/zootaxa.4323.2.4
publication LSID	lsid:zoobank.org:pub:3Ca6831A-201A-4Fd8-Afd3-Ae0Cb035319A
DOI	https://doi.org/10.5281/zenodo.6028778
persistent identifier	https://treatment.plazi.org/id/311CD734-CD3D-FFB7-A8D7-B772436051C7
treatment provided by	Plazi
scientific name	Monzenia minuta Yeh
status	sp. nov.

Treatment

Monzenia minuta Yeh sp. n.

( FIG. 1 View FIGURE 1 , 2 View FIGURE 2 )

Apterous viviparous adult. (DEScrIPTION IS bASEd ON 12 SPEcIMENS). ( FIG. 1B–D View FIGURE 1 ; FIG. 2A,2B View FIGURE 2 ). BOdy OvAL, cUTIcLE SOfT, 0.72–0.9 MM LONG. HEAd wITH 8–12 MINUTE SETAE, wITHOUT HOrNS Or dAGGEr-LIkE SETAE. ANTENNAE 5-SEGMENTEd, 100–148 µM LONG; LAST SEGMENT wITH 1 cIrcULAr SENSOrIUM ANd 4 TErMINAL SETAE. EyES wITH 3 fAcETS. ULTIMATE rOSTrAL SEGMENT POINTEd, AbOUT 1.20 (1.04–1.27)-TIMES LENGTH Of 2nd SEGMENT Of HINd TArSUS. FOrELEG wITH 1 cAPITATE ANd 2 fINE LONG SETAE ON dOrSUM Of 2nd TArSAL SEGMENT; MId- ANd HINdLEGS EAcH wITH 2 cAPITATE ANd 2 fINE LONG SETAE ON dOrSUM Of 2nd TArSAL SEGMENT. AbdOMINAL TErGITES I–V wITH 4–9 MINUTE SETAE; AbdOMINAL TErGITE VIII LIGHTLy ScLErOTIzEd, wITH 7 Or 8 SETAE ArrANGEd IN A rOw; AbdOMINAL TErGITES II–V EAcH wITH A PAIr Of SPIrAcLES wHIcH ON SMALL ScLErOTIc PLATES. SIPHUNcULI rING-LIkE, SLIGHTLy LArGEr THAN SPIrAcULAr PLATES. CAUdA ANd ANAL PLATE NOT wELL dEMArcATEd frOM EAcH OTHEr.

Alate viviparous adult. (DEScrIPTION IS bASEd ON 27 SPEcIMENS). ( FIG. 1E–H View FIGURE 1 ; FIG. 2C–F View FIGURE 2 ). DEScrIPTIONS ArE bASEd ON THE MOrPHOLOGy Of ALATE vIvIPArOUS AdULTS IN THE GALL GENErATION. BOdy LENGTH AbOUT 1.01–1.20 MM. HEAd wIdTH (dISTANcE bETwEEN 2 APIcES Of OcULAr TUbErcLES) 0.25–0.26 MM. ANTENNAE 5-SEGMENTEd, SEGMENT III AbOUT 125–140 µM LONG, SEGMENT IV 60 –75 µM, SEGMENT V 35 –40 µM, TOTAL LENGTH Of ANTENNAE AbOUT 1.19 (1.15–1.24)- TIMES wIdTH Of HEAd; SEGMENT III A LITTLE brOAdENEd NEAr bASAL PArT, wITH 7–9 ANNULAr SEcONdAry SENSOrIA EXcEPT ON bASAL 1/5 Or 1/7, wHIcH GrAdUALLy NArrOwS TO A cONSTrIcTEd bASE; SEGMENT IV wITH 4–6 ANNULAr SEcONdAry SENSOrIA; SEGMENT V wITH 1 SMALL cIrcULAr SENSOrIUM ANd 4 TErMINAL SETAE, wITH 2 Or 3 ANNULAr SEcONdAry SENSOrIA. WINGS ALMOST HyALINE, brOAd, STIGMA LANcEOLATE; MEdIA vEIN UNbrANcHEd ON fOrEwINGS. TIbIAE IMbrIcATE, wITH dISTINcT SPINULES; TArSI wITH SOME SPINULES, 1st TArSAL SEGMENTS wITH 3-3-3 SETAE, 2nd TArSAL SEGMENTS wITH 3-4-4 cAPITATE dISTAL SETAE. AbdOMINAL TErGITES II–V EAcH wITH A PAIr Of SPIrAcLES wHIcH ON SMALL ScLErOTIc PLATES. SIPHUNcULI SLIGHTLy ELEvATEd, rING-LIkE, SLIGHTLy LArGEr THAN SPIrAcULAr PLATES. CAUdA wITH A MEdIAL PrOcESS, wITH MANy SPINULES AT bASE. ANAL PLATE bILObEd, wITH 4–6 SETAE ON EAcH LObE.

Material examined. Holotype, ONE ALATE vIvIPArOUS AdULT & ONE APTErOUS vIvIPArOUS AdULT, YUANSHAN TOwNSHIP, ILAN CO., TAIwAN, ON D. racemosum , 23-IX-2006, H. T. YEH (#505). ( THE INdIvIdUALS Of HOLOTyPE ArE MArkEd by cIrcLES ON THE SLIdE.)

Holotype-specimen deposition: NTU, TAIPEI, TAIwAN.

Paratype, 27 ALATE vIvIPArOUS AdULTS & 12 APTErOUS vIvIPArOUS AdULTS (ON 7 MIcrOScOPE SLIdES), YUANSHAN TOwNSHIP, ILAN CO. , TAIwAN, ON D. racemosum , 23-IX-2006, H. T. YEH (#505)( BMNH, NMNS, NTU, TARIIC) . 4 ALATE vIvIPArOUS AdULTS, YUANSHAN TOwNSHIP, ILAN CO., TAIwAN, ON D. racemosum , 26-IX-2009, G. S . TUNG (#701)(NTU).

Etymology. THE SPEcIES EPITHET IS A LATIN wOrd, ‘ minuta ’, MEANING MINUTE Or SMALL, EMPHASIzING THE SMALL bOdy SIzE Of THE ALATE vIvIPArOUS AdULT.

Remarks. THIS SPEcIES INdUcES cLOSEd SPHErIcAL GALLS ON TwIGS Of D. racemosum ( FIG. 1A View FIGURE 1 ). THE MOrPHOLOGIES Of ALATE vIvIPArOUS AdULTS Of M. minuta sp. n. cAN bE dISTINGUISHEd frOM THOSE Of M. globuli (MONzEN) ANd M. ihai SOrIN AS fOLLOwS:

* BASEd ON THE OrIGINAL dEScrIPTIONS by MONzEN (1934) fOr M. globuli ANd by SOrIN (1996) fOr M. ihai .