Cetiothucha constanti, Guilbert & Pham & Soulier-Perkins, 2018

Guilbert, Eric, Pham, Hong Thai & Soulier-Perkins, Adeline, 2018, New species and new records of Tingidae (Insecta: Heteroptera) from Vietnam, Zootaxa 4387 (3), pp. 591-600 : 594-595

Cetiothucha constanti sp. nov.

( Figs. 3 , 4 )

Type material. Holotype, 1 M, Cat Tien NP, 11°26’N, 107°26’E, 6/ 16-IV-2012, Malaise trap, Leg Constant & Bresseel, I.G. 32.161, IRScNB coll.

Description. Color uniformly yellowish, Body glabrous, length, 2.92; width, 1.88.

Head small, short, armed with three spines, an occipital pair and a median spine, spines long, the occipital spine extending to the anterior margin of eyes, slender, lying on head and directed forward; bucculae short, not meeting in front; labium long, extending to the first visible abdominal segment; antennae long and slender, with short setae all along, antennal segment measurements I, 0.16; II, 0.0 8, III, 0.8; IV, 0.8.

Pronotum concealed by hood and median carina developed to form a cyst covering all the pronotum; hood longitudinally oval, covering head except the eyes, with large, polygonal areolae, length, 1.38; width, 0.84; height, 0.80; paranota wide, raised and strongly curved upward to conceal the hood, with two rows of areolae, areolae smaller than on hood; mesosternal and metasternal laminae narrow, with one row of small areolae; rostral sulcus widened posteriorly and closed behind.

Hemelytra much larger than body beneath, progressively widening posteriorly, apex divergent; costal area triseriate at the middle, biseriate in front and posteriorly, areolae polygonal, as large as on hood; subcostal area narrow and uniseriate, areolae small opposite to discoidal area, larger posterior to discoidal area; discoidal area shorter than half the length of hemelytra, five areolae wide at widest part, areolae smaller than on costal area; sutural area three areolae wide at widest part, areolae as large as on costal area.

Diagnosis. This species is characterized by the two occipital spines and a median frontal spines on the head and the biseriate paranota.

Etymology. This new species is named in honor of Jérôme Constant (IRScNB, Belgium), who provided many of the Vietnamese specimens studied by the authors.

Comments. The habitus of this new species is similar to the type species C. physalia Drake & Ruhoff , but differs by the presence of two occipital spines and a median frontal spine on head, the paranota are biseriate with an outer row of large quadrate areolae and an inner row of smaller areolae. Cetiothucha physalia is known from Sabah and Sarawak.

Figures

FIGURE 3. Dorsal habitus of Cetiothucha constanti (scale bar is 1 mm).

FIGURE 4. Lateral habitus of Cetiothucha constanti (scale bar is 1 mm).