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Great Basin Naturalist Volume 59 Number 2 Article 7 4-30-1999 A new species and new synonym in the genus Psychoronia (Limnephilidae), with significant ecorr ds for caddisflies (Trichoptera) from western North America David E. Ruiter Littleton, Colorado Follow this and additional works at: https://scholarsarchive.byu.edu/gbn Recommended Citation Ruiter, David E. (1999) "A new species and new synonym in the genus Psychoronia (Limnephilidae), with significant ecorr ds for caddisflies (Trichoptera) from western North America," Great Basin Naturalist: Vol. 59 : No. 2 , Article 7. Available at: https://scholarsarchive.byu.edu/gbn/vol59/iss2/7 This Article is brought to you for free and open access by the Western North American Naturalist Publications at BYU ScholarsArchive. It has been accepted for inclusion in Great Basin Naturalist by an authorized editor of BYU ScholarsArchive. For more information, please contact [email protected], [email protected]. Great Basin NlilumlisI5!-i(2), ©1999, pp.160-168 A NEW SPECIES AND NEW SYNONYM IN THE GENUS PSYCHORONlA (LIMNEPHILIDAE), WITH SIGNIFICANT HECORDS FOR CADDISFLIES (TRlCHOPTERA) FROM WESTERN NORTH AMERICA David E. Ruiterl All~n·i1:\c.:T.-A new species of caddislly, PSljclll)ronia brooksi (Limncphilidae), is dl:SCribed from ew Mexico, and Psychorrmul brevipennis (Banks) 1904 is designated. as a junior synoll)'m of Psychoronia costll1is Banks 1901. Additional distIihutiOllul records and Ilot~ for 51 caddisHy species an::: also presented. Key words: 1ndlOptera, caddisflies, J-imnephilidae, Psyclloronia, new species, biogeography. The discovery ofa new species ofPsychoro­ B,tsed on examination of the lectotype and ni(l. in New Mexico has led to a review of the paratype males in the type series of P. costalis other 2 species in the ~enus and a resultant (MCZ #11676), the single female holotype of synonymy. Additional work at small, isolated P brevipennis (MCZ #11657), and numerOus habitats in the arid West will undoubtedly result series of P. costalis specimens from Colorado, in the discovery of additional new species of P ',revipennis, as Wiggins (1975) suggested, is Trichoptera. These isolated distributions also a new junior synonym of costalis. The holo­ emphasize the need to protect such habitats type female of P brevipennis is small (about 8 whenever possible. mm from head to apex of abdomen) when lwo species previously have been placed in compared to female specimens of P. costalis the genus PSlJchoronia, P brevipennis (Banks from Colorado (up to 14 mm total length). 1904) and P costalis (Banks 1901). Wiggins However, terminalia ofthe P. brevipennis h010­ (1975) provided rationale for maintaining the type are well within the variability seen in P. genus PSlJchoronia and fIgured the adults of P eostalis females. Banks' (1904) indication that c()stali~'. Wiggins (1975) also noted the similar­ the wing membrane of P. brevipennis does not ity of the 2 species and illustrated the larvae of have hairs is in error. The membrane of the P costalis (Wiggins 1977). Psychomnia hrevi­ wing is clothed with strong, upright hairs as I pennis is known only from the female holotype. indicated for P costalis (Ruiter 1995). 11,e wing During preparation for this paper 1 attempted membrane of the new species described below to coUect aUnear the New Mexico type locali­ also has a few upright hairs, althougb the ma­ ties lor both P brevipennis and P costalis. The jority ofthe hairs on the membrane are Hne and top of the Las Vegas Range (the type locality of recumbent, simtlar to the genus Hesperophylax. P costalis) is located west of Las Vegas, New Terminology for genital stJ-uctures follows Mexico, and just west of Beulah. The type that of Schmid (1980). locality of P brevipennis is also located west of Las Vegas near the former townsite of Beulah Psyclwronin hrooksi, new species (2438 m). 1 could not locate populations ofPsy­ (F"~,. 1-10) ohm'on';'a at or near the Beulah townsite. Based 011 discussions with residents in the area and The dis<..~very of this new species occurred the condition of existing aquatic habitats, it while 1 was looking for P brevipennis. The appears that many typical P costalis habitats occurrence of Psychoronia in this habitat. a (headwater springs and very small streams) small, high-velocity stream, was totally unex· were altered/destroyed to create wateT supplies pected as my previous collections ofPsychoro­ fOT recreational homes being built in the area. nia had been only from headwater spring 16200 Soull. (;nlnl Stn.....1, I.inlet",,_ co 80121. 160 1999J NEW SPECIES IN GENUS PSYCHORONIA 161 sources. This collection is another example of triangular in dorsal, ventral, and lateral views a species occurring on an isolated mountain in (in P. costalis the appendages of segment X are the southwestern United States. This species very short, not extending to apex ofX). is named for Bill Brooks, a comrade with LARVA (Figs. 8-10).-Most characters typi­ numerous interests, one of which is occasion­ cal of Limnephilini (Wiggins 1977). Mandibles ally collecting caddisflies. each v,rith cutting edge entire, except for sin­ ADULT.-Wings and body yellowish brown; gle subapical tooth (in P. costalis mandibles forewing membrane patterned, with pale areas with numerous apical teeth). Head and tho­ margined with darker brown (Fig. 1), wing racic sclerites dark, nearly black, with faint membrane with numerous long, upright and muscle scars on head. Primary setae absent recumbent setae, nearly as long as those on from anterior pronotal margin (in P. costalis wing veins. Wings offemale extending beyond primary setae are present and equally spaced), apex of abdomen, as long as wings of male. Dorsal and ventral gills present on abdominal Length from front ofhead to end of forewings segments 2-7, most with 3-5 filaments; lateral 16-18 mm. Spurs 1-3-4. gills present only on segments 2 and 3, most MALE (Figs. 2-4).-Tergite VIII with an specimens with 2 filaments for each lateral apical patch of large, upright spines (in P. gill. Abdominal dorsal chloride epithelia absent, costalis this patch comprises slender, re­ ventral chloride epithelia large, present on cumbent spines). Segment IX separated dor­ segments 2-7. sally, with widest portion slightly above the CASEs.-The larval case is made of sand mid-lateral line. Inferior appendages large, grains, only slightly tapered from wide ante­ directed dorsocaudad. Segment X with inter­ rior end to posterim; and slightly curved. mediate appendages fused into triangular Pupal case (17-20 mm) made of larger rock structure surrounding anal opening in caudal particles similar to that of P. costalis (see Wig­ vie"v, its dorsal apex extended into narrow, gins 1977, Fig. 10.46), nearly straight, not slightly bifid process (in P. costalis the apex of tapered. Several cases have incorporated occa­ the intermediate appendages is acute and sionallive fingernail clams. recurved). Superior appendages large, mesally TYPE SPECIMENS.-Holotype and allotype, concave, dorsally slightly concave with blunt NEW MEXICO: Lincoln County, North Fork Rio apices; extending caudad nearly to apices of Ruidoso, at entrance to Ski Apache Ski Area, inferior appendages. Phallic parameres each collected as pupae 24 May 1997, emerged 20 terminated in several long, strongly sclerotized June 1997, D.E. Ruiter. Deposited: Museum spines divided completely to base of para­ of Comparative Zoology. Paratype males: same mere, the dorsal portion a thick, sinuous data, emerged 20-22 June 1997, deposited spine, curving laterad apically and apex with Museum of Comparative Zoology, National minute serrations along dorsal margin, the Museum of Natural History, Illinois Natural ventral aedeagal spines straight, clumped at History Museum, Royal Ontario Museum. A their base (in P. costalis the parameres are paratype male and female, same data, deposited shorter and the dorsal portion is composed of at NMNH. A pupal exuvia and 4 larvae, same short, fused spines). data, deposited at each of the above collec­ FEMALE (Figs. 5-7).-Ventromesal sclero­ tions. The remainder of the adult (8 males, 1 tized spur on sternite VI absent. Abdominal female), pupal, and larval material from the sternal setae equal in thickness to tergal setae, same collection retained in author's collection. Tergite IX bandlike, separated by faint suture DIAGNOsIs.-Males of P. brooksi can be from its very small ventrolateral lobes; ventro­ separated readily from P. costalis by the stiff, lateral lobes widely separated ventrally by dark spines on tergite VIII versus the fine, broad, slightly sclerotized supragenital plate. hairlike spines on tergite VIII of P. costalis. In Median lobe of vulval scale clavate, with addition, phallic parameres of P. brooksi are at broad, truncate apex, not extending caudad as least twice as long as those of P. costalis. far as apices of lateral lobes. Segment X fused Females of P. brooksi have normal length to tergite IX and with apex tubular, its dorsal wings that extend well beyond the abdomen, margin slightly cleft, its ventral margin con­ while wings of all females of P. costalis I have cave, entire. Appendages of segment X located examined do not extend beyond the 8th dorsalaterally, extending well beyond its apex, abdominal segment and usually do not exceed 162 GREAT BASIN NATURALIST [Volume 59 1 sup. .' r----" ..... .. Vlllt .. ' Vlllt into . IX .... ..... .. ...... ' ..... .. .............. .......... .. (""~-../ .... ::::::::::::::::: : , . info Vilis 2 Vilis IXvl vS. ... "" ". 6 '""""""."., IXvl ••••••••••••• ...... " ."" ......... " ..... ". 3 Vilis . ... •. · ·· • app. · •• " . •· .. • . IX IXt 7 .. , .. into \, , info 4 Vilit Fi~s. 1-7. Psyclummia brooksi forewing and genitalia: 1, right side forewing; 2, male genitalia, left lateral view; 3, male ued.e.1b"US. len lateral view; 4, male genitalia, caudal view; 5, female genitalia, left lateral view; 6, female genitalia. ventral view; 7, female genitalia, dOnial view (VUlt - tergite VIII segment, VIlIs - slemite VIH segment, IXt - tergite IX seg­ ment, IXvl- ventrolateral lobe IX segment, X-X segment. app. - appendage, iof - inferior appendage.
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  • Aquatic Insects

    Aquatic Insects

    AQUATIC INSECTS Challenges to Populations This page intentionally left blank AQUATIC INSECTS Challenges to Populations Proceedings of the Royal Entomological Society’s 24th Symposium Edited by Jill Lancaster Institute of Evolutionary Biology University of Edinburgh Edinburgh, UK and Robert A. Briers School of Life Sciences Napier University Edinburgh, UK CABI is a trading name of CAB International CABI Head Offi ce CABI North American Offi ce Nosworthy Way 875 Massachusetts Avenue Wallingford 7th Floor Oxfordshire OX10 8DE Cambridge, MA 02139 UK USA Tel: +44 (0)1491 832111 Tel: +1 617 395 4056 Fax: +44 (0)1491 833508 Fax: +1 617 354 6875 E-mail: [email protected] E-mail: [email protected] Website: www.cabi.org CAB International 2008. All rights reserved. No part of this publication may be reproduced in any form or by any means, electronically, mechanically, by photocopying, recording or otherwise, without the prior permission of the copyright owners. A catalogue record for this book is available from the British Library, London, UK. Library of Congress Cataloging-in-Publication Data Royal Entomological Society of London. Symposium (24th : 2007 : University of Edinburgh) Aquatic insects : challenges to populations : proceedings of the Royal Entomological Society’s 24th symposium / edited by Jill Lancaster, Rob A. Briers. p. cm. Includes bibliographical references and index. ISBN 978-1-84593-396-8 (alk. paper) 1. Aquatic insects--Congresses. I. Lancaster, Jill. II. Briers, Rob A. III. Title. QL472.R69 2007 595.7176--dc22 2008000626 ISBN: 978 1 84593 396 8 Typeset by AMA Dataset, Preston, UK Printed and bound in the UK by Cromwell Press, Trowbridge The paper used for the text pages in this book is FSC certifi ed.