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40
processu basali pronoti subtiliter punctulato; femoribus po-
sticis medio dilatatis et inferne spinulis duabus majoribus fer-
rugineis, apice nigris, armatis, pone has spinas versus apicem
spinulis 4—3 sensim minoribus; tarsis intermedis tibia aeque
longis. Long. & vix 5 mm.
An species propria?
Addah, 1 g&.
Fam. Gerridae.
79. - Gerris leptocerus n. sp.:
Lamprotrechus n. subg.: corpore superne nitente, rostro
sat gracili, marginem antiecum mesosterni sat longe superante,
articulo primo latitudine fere longiore, parallelo, haud tumi-
do; antennis, tibiis tarsisque posterioribus gracillimis, antennis
apicem versus tamen haud accecuminatis, femoribus posticis
corpori, capite excepto, aeque longis; segmento ultimo abdo-
minali angulis apicalibus haud productis, sub-rectis.
Superne niger, nitens, lineis duabus longitudinalibus
marginique postico vertieis, pronoto lineolis duabus parallelis
ante apicem marginique toto laterali usque in apicem pro-
cessus postiei ipsoqve margine laterali hemielytrorum ochraceis;
hemielytris interne versus apicem vittis 2—3 longitudinalibus
pallidis; dorso abdominis nigro-fuseco, connexivo, apice linea-
que media obsoleta basi longe abbreviata ochraceis, maris
segmento primo genitali nigro-bimaculato; inferne ochraceus,
dense argenteo-sericeus, vitta laterali percurrente nigra, hac
vitta pectoris linea longitudinali ochracea divisa et supra li-
neam pube serieante destituta; rostro ochraceo; antennis fu-
scis, corpore paullo minus quam /, brevioribus, artieulo pri-
mo spatio inter apicem capitis et angulum postieum epime-
rum prothoracis aeque longo, secundo primo fere !/, breviore
et tertio nonnihil longiore, duobus ultimis simul sumtis duo-
bus primis conjuncetis longitudine aeqvalibus; pedibus ferru-
gineis, femoribus anticis inferne vittaque interiore apicali
fuscis, tibiis anticis infusceatis, posterioribus ipso apice fusco-
nigris; tibiis intermediis femoribus longitudine sub-aequalibus,
tarsis tibiis 3/,— 4/3 brevioribus. Long. I 6/3 mm.
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