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COLEOPTER APS. GENUA ASYM EIUS GOR HAM
25. GENUS SYMBIOTES RE TE HACHER
characters : Form long ovat, AO me timeS APProa Ch ing Cordi form, more osten subparallel. The pro notum is narro ly margine i and fine ly Crenulate a long the SideS. The immediates marginal area is sonae hat flattened; internat to this area the disc is abruptly eleva ted. The laterat boundary of the convex area is sinuate ly ex CaValednear the hin d anglos. Laterat sulci bro ad , rather Shallo W, basal Sulcus pia inly impresssed. Elytra with a sutural Stria whi Ch is strongly Curved near the scutellum. In the maleS
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PP. GENUS STE ODI A FAIRMA IRE
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Maxillary palp with last joint acuminate. Prosternum narrow. MeSΟ- Sternum narro . Pronotum litile broader than long, iis fides almost strat glit but narrowed bellind, without sulci. The elytra are obsoletelylinea te-pun Ctate, their margins gros sty punctate. The single known species, of whi Ch no specimens except the unique type have been recorded, is describe d as black with oach elytron bearing two redSPOtS, o ne humerat, the Other Preapi Cal. I have se en no specimens. Is Fairma ires 's diagnosis of the insectuS ara pndomyChid i S Correcti assignment to the Lelestini seems to bebest, although the tarsal structu re is a nomalous. Dr. R. Pauli an ofilio Institui Scientifique des Madagascar, furnished the diawing of
The laterat sulci of the pronotum a re obsolete, the basal transverse sulcus pia in ly impreSSed an dending on ea ch si de in a pura Cti forna fovea. Elytra elonga te, Somewhat taper in g, finely Sertate-PIDCtate, ea Ch Phin Cture bearing a minute hair. Prosternum narro but separat ing the Coxae, bellindwhi Ch it is briefly prolonge d. Mesosternum strongly tri Cata a te. Vetas ternum Vei large with four
2D. GENUS ERO TEN O MYCHUS UCA
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BO. GENUS RHANI EA NOMEN NOVUM
Characters : Elonga te. Alender. Clothed with Very fine, Spo a Se pubesce iace. Tarsi 4-jo in ted. Femora sub Clavate. Antennae II-jointea with 3-jointed Club. Antennae inseri ed at siclos ot frontunder antennal rid ges. Prono tham V ith a longitudinat, curvo dimpressed stria on ea ch si de os disc in addition to the smail laterat sulci. Intei coxat Pi OCeSS Os Pro Sternum very ncti I OV . ille front COXpe Contiguoris. Me So Sternum bi Carinale u illi the spacobe tween the Carinae elonga te and flat. Metas leonina largo, Willi two foveae belli nil e cli mi id te Co X a. Ina Smu Ch as the generio Danaes Rhene and Rhane have been proposed to replace Γhanis Koch, it might be possibi e to reta in Rhanis as a genus of Endomychidae, but it is inevitable that sonae arachnologist will re Claim the nanae. A single North American Spegies is known. Oenotype : ocoperdiu a unicolor Ziegler.
Bl. GENUA VEIESTES SE TE HACHER
sternum stiori and narro the front COXae Contiguous. M CSO- Sternum and meta sternum much as in Rhanidea.
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characters : Long-ovat, but of shorter forni than themis ill ry P in P othor Lotestini. Pronotum subquadrate or Some hat trANSVCI Se, iis sulci distin Ct to obsolescent. Maxillary palp with last jointelonga te-pyri forna. Labial palp with last joint quadrate. Prosternum distin Ctly separating the front Coxae but narrow.Mesosternum bi Carinate as in preceding genera. Meta Sternum litile or no longer than mesosternum. with two ioveae just be-hind each mi id te coxa. The scutellum in the genotypi C SpecieSis large and transversely ellipti Cal. of the three species referred to the genus by Gorhamone, P. decoratus, belongs in Lelestes. I have Seen no specimen S Os P. brevicornis. labial palp
BB. GENUS ET ET HOR HANIS ELAIA DELE
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He also mentions a s mali seligerous projectioia on the ironi trochanter. Aside frona these characters there seenas litile to differentiate the two genera. The sterna a re very similar to those of the nexi genu S. Dr. Edward S. Ross of the Cali fornia Academ y of Sciences has supplied me u illi informationand shetches of cεrta in features not mentioned by Hlais teli, e . g. longili os metas ternum. Geographical distributiori : Pacific region Oi North America . Gerio type : Stelisorha uis nand)hei Ela is loll. I. St. borealis Hia isdeli, Trans. Am. Ent. SoC. Vol. 6O, P. 325, Hr. Columbi a.
Characters : Elonga te, Subparallel, tapering posterior ly. Pro notum a litile narrowed belli nil, iis sulci distinci, the laterat ones tess so than the basal one, hirid an gles briefly carinate. Tarsi otiate i. Antennae I I o int-ed, with abruptly formed, 3-jo in ted olub. In the males the Club is enormo us ly enlarged. Con Vex ab ove and Concave below. Maxillary palp with last j bini stiori and acute ly roundod; labi alpalp with last joint transverse. IntercoXal pro CeSS Oi ProSternum narrow but separating the coxae, bellind whicli it is briesy prolonged. Meso- and metas ternum as in Rhanidea. Geographical distributi Ori : North America . Genotype : P ma hora pulchella Newman. 1. Ph. cal ornica Horia, Trans. Am. Ent. SoC. UOl. 8, P. I a, Cali fornia.
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ma xillary palp subcylindri Cal. Prosternum narrow between the ContiguOUS front COXae, meSoSternum also narro . Tarsi -jo in ted. sto ut in Plegan horus, stender in the other two genera. In spite of their ressem blance to the Paussidae thesy may be east ly disti quished by the StruCture of the ineta sternum, hi nil Coxae and fit si abdona inal sternite. The maSsi Veness of the antennae may be anadii tation to symbi Oti C life with anis or termites.
KEY TO GENERA OF TROCHOIDE INAE .
R. GENUA PUE GANOPHORUS HAM RE
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middie tarsus antenna a Trochoidetis americanus Buquet Cyb. Trochoidens des sardiusi Guer in Q
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the ligula transverse and in the structure of the tarsus. In severat respectS howe Ver, they IeSemblethe My Cetaein se se. g. pilo Sity, prosternum) so much so that it is dissiculi to draw the line of de mar-Cation belween the two subfamilies. Most of the geneia of Stenotarsinae have the tarsus iobed and Spongy beneath but in Chondria. Per dictus and Endocoetus this Daturo is not weli developed and the laStge DUS OSPeCialty Seem S Close to Clemnitis, Parar nibus etc. The greater number of species of this subfami lyhaVe a Subhemispheri Cal Ahape and are clothesd with pubescen ce of greater or tesser densi ty. Glabro USSPeCieS are found in the genera Africhonosa, Est te us, Avidi tus and Epistocus, but throughOut the Endomychidae the presen Ce or absence of hairy Covering appears to have litile taxonomi C Value eVen RS a generi C Character; at least it has not been so usod. In thes koy whicli follows, the CharaCter sibi Oad, rai Sed margin os pro notum s refers to the actuat marginal line and not to the gradu alreflexing of the marginal area seen in sonae speCies of se ocuS.