[PDF] Top 20 Trabajo Final Investigación de Operaciones

... Head in dorsal view (Fig. 1b) almost spherical, 1.2 times as long and 1.6 times as wide as pronotum. Eyes relatively small and fl attened, postocular region rounded and strongly constricted towards pronotal collar. Head ... See full document

... with two sclerotized straps separated by membranous area and apically terminating with straight, long, thin and acute apical blade; secondary gonopore subapical, with well developed sculpture, placed on membrane ... See full document

... miptera: Heteroptera: Miridae: Phylinae) is rediagnosed, with discussion on its tribal placement in the subfamily ...1937. Two new species, Randallopsallus berastagi sp. nov. ... See full document

... and two on sternum VII; a combination of lacking hamus and present intervannals on the hind wing; widely separated posterior coxae; absence of laterotergites; ostioles of dorsoabdominal scent gland situated ... See full document

... Description. Male. Body ovoid, very tiny in size, 2.52– 2.70 mm. COLOURATION: Generally pale green (but so- metimes fading to yellowish or brownish in dry-preserved specimens). Antennae pale green (yellowish brown in ... See full document

... or two black discoidal spots; trochanter yellowish orange; femora and tibia reddish orange with black discoidal spots; tarsi reddish orange; abdominal sterna III to VII laterally black with anterior third yellow; ... See full document

... aberrant and highly unique pygophores, geographically restricted to Greater Antilles. All the remaining genera of Old World Physopeltinae and New World Larginae and Arhaphinae have rather simple and uniform ... See full document

... with two regular rows of round and small areolae; subcostal area slightly wider than costal area, biseriate, areolae of the same size as on costal area; length of discoidal area two third the length of ... See full document

... Head (Figs 9, 14–15) very slightly shorter than wide (ca. 1.0 : 1.1), horizontally positioned. Dorsal surface of head rather fl at, clypeus and vertex slightly convex, anterior and lateral margins of mandibular plates ... See full document

... varying from brown dirty yellow to ...basal two thirds tapering toward apex, apical one third broadened, extreme apex serrate; es2 short, broad, cylindrical, tapering toward apex at apical one sixth; es3 ... See full document

... Femora brown, very slightly paler near the junction with tibia. Tibiae orange yellow to light brown; metatibiae slightly darkened (paratype). Tarsi 3-segmented, brownish; claws hooked. Ventral surface of abdomen ... See full document

... Leiophron (Euphorus) deficiens Ruthe, 1856 (Hymenoptera, Braconidae) was firstly reared from the nymphs of Campylomma diversicornis (Reuter,1878) (Heteroptera, Miridae). This bug is a predator of ... See full document

... In the present work D. varaderensis was also attracted by a light trap and it was found associated to Dalla- siellus scitus (Walker.), Tominotus communis Uhler and Amnestus trimaculatus Stal. Although D. varaderensis was ... See full document

... Etymology. This species name is dedicated to Prof. Pavel Štys to celebrate his 75th birthday. Biology. Ploiaria stysi sp. nov. was collected from ferns growing along forest passes by net- sweeping. It was often ... See full document

... a new species of Pactye Stål, 1865 (Rhyparo- chromidae: Rhyparochrorminae: Cleradini) is described from Papua New Guinea; drawings of head, legs, male genital capsule, paramere and dorsal view ... See full document

... greater than basal width of the pronotum, shorter mesal pronotal length that is less than the antennal segment III, larger pale spots on the hemelytra, and structures of the genitalia. Bionomics. More than 20 fi nal ... See full document

... extension, hypophysis simple, fl attened, apically subtruncate. Phallus (Fig. 13): basal plate slightly asymmetrical; with a stout ‘body’ provided with a large, wide left process at its base and a narrow, elongate right ... See full document

... Abstract. Host plants of the stenodemine mirid Teratocoris saundersi Douglas & Scott, 1869 in Iceland include the grasses Agrostis capillaris, Deschampsia cespitosa, Elymus repens, and Leymus arenarius (Poaceae), and ... See full document

... with two basal extensions and apical process, two basal exten- sions present with distinct anterior extension and large basal process, apical process slender and sinuate, apically curved inwardly (Figs ... See full document

... known from New Guinea, with Grossicoris (New Caledonia, New Hebrides) and Knightiola (Philippines) representing an ...taxa from this group of genera possess the transverse depression ... See full document