Taxon classification Animalia Hemiptera Membracidae

Bajulata Ball Figs 21-22, 50

Diagnosis .

head and thorax without scoli; abdominal terga each with single middorsal, heavily chalazal scolus; head and thorax with paleate setae.

Nymphal description.

Overall body. Chalazal setae short; dorsal contour of abdomen in lateral view linear; frons extending over central margin of eye. Head. Without scoli; chalazal setae paleate. Prothorax. Pre- and postmetopidium without scoli; posterior extension of pronotum not surpassing anterior margin of metanotum. Mesothorax. Without dorsal enlarged chalazae or scoli; forewing pad costal margin emarginate; forewing pad chalazae sparse, chalazal setae short, without costal chalazae; lateral rows of abdomen not extending onto meso- and metathorax. Metathorax. Without dorsal enlarged chalazae or scoli. Legs. Prothoracic tibia foliaceus; chalazae of tibia on anterior and posterior lateral margins, absent or very few on dorsal surface. Abdomen. Terga III-VIII ventrolateral margins with row of enlarged chalazae, dorsal scoli all subequal in size, tallest dorsal scolus about 2-4 5 basal width, dorsal scoli consisting of single middorsal projection directed posteriorly, distally appressed to following tergum; tergum IV dorsal scolus distally directed posteriorly; terga III-VIII with 2 lateral rows of enlarged chalazae. Segment IX. Dorsal length subequal to combined length of segments IV-VIII; with paired enlarged chalazae apically; ventral extension subequal to dorsal extension.

Material examined.

Bajulata bajula (Goding), 1 adult, 1 nymph, USA: Tucson, Arizona, April 1942 (USNM).

Distribution.

United States.