Abida Butt,* Imtiaz Alam and Rabia Naz
... efficiency of capturing prey was discussed by comparing web parameters and number of intercepted insects in decorated and non-decorated webs. For the study, 236 randomly selected webs of A. trifasciata were observed in the rice fields around the cities of Sheikhupura and Lahore, Punjab, Pakistan. In the adult spiders, mesh height, capture area and capture thread length was positively correlated with IVth leg length; mesh size also showed pos...
Mingqin Shao1*, Bin Chen1, Peng Cui2, Binbin Zeng1 and Jianhong Jiang1
...o energy requirements or prey activities. The average group size of the scaly-sided merganser was 3.91 ± 2.94 individuals, and extremely significant differences existed at different time of day (F = 25.540, df = 11, P < 0.01). The largest group size (5.22 ± 5 individuals) appeared at 16:00–17:00, and the smallest at 08:00–09:00 (2.6 ± 1.12 individuals), similar results obtained between December 2015 and March 2016, wh...
Azhar Abbas Khan1,*, Arif Muhammad Khan2 and Muhammad Afzal3
...bstances to locate their prey. Twelve-arm olfactory apparatus was used to evaluate the response of C. septempunctata toward aphids and different host plants of aphids. Different horticultural plants and field crops were used singly or in combination with prey as a host. An increased numbers of C. septempunctata was observed when host plants were added with aphids. But was no significant difference in most of th...
Phong Huy Pham*
...le wasp. To paralyze the prey, a total of two stings in its abdomen segments are used by D. esuriens. The first sting aims at the sixth segment and the second at the seventh segment. The total time of catching the prey is about four minutes. A green worm, one of mainly insect pests on sesban, is one of the preferred prey of D. esuriens. ...
Asrar Ali*, Ehsan-ul-Haq**, Abdul Rehman***, Javed Khan, Waseem Ahmad Gillani** and Maria Rauf*
BIOLOGICAL PARAMETERS AND PREDATORY POTENTIAL OF MENOCHILUS SEXMACULATUS FAB. (COLEOPTERA:COCCINELLIDAE) AT VARYING TEMPERATURE ON RHOPALOSIPHUM PADI L.
...phids, respectively. The prey consumption of female beetle was significantly higher than male. The adult male consumed from 2294 to 2422 aphids and female consumed from 2912 to 3085 aphids, respectively. Based on results of present study, possibility of quality mass rearing and commercialization of predatory beetle, M. sexmaculatus was ascertained....
Nazia Qamar1, Sher Khan Panhwar1,* and Ralf Riedel2,*
...nt analysis. Analysis of prey composition was done using permutational analysis of variance (permanova), with species, life stage (juvenile and adults), gender, and weather (rainy and dry season) as factors. Patterns of empty stomachs were investigated to estimate feeding intensity. Feeding intensity was estimated with logistic regression, using the same independent variables as above. Prey importance was also investigated. ...
Muhammad Khalid Mukhtar1,*, Hummaira Iqbal1, Hafiz Muhammad Tahir2, Haseena Ghulam Muhammad1 and Muhammad Irfan1
...present study effects of prey density and sub-lethal doses of two commonly used insecticides i.e., bifenthrin and chlorpyrifos, on the consumption rate of web weaving spider Cyrtophora citricola, was observed. Live spiders for the study were collected from citrus orchards of Sargodha and maintained individually in the laboratory. Both the control and insecticide treated spiders were offered larvae of Drosophila melanogaster in different de...
Phong Huy Pham
Nesting biology of a spider wasp Auplopus sp. (Hymenoptera: Pompilidae) in Vietnam
...rovisioned with a single prey spider whose legs were amputated. The prey spiders were immatures of a species of the genus Heteropoda, family Sparassidae. Developmental time of egg, larva, pre-pupa, pupa, and pre-adult was 6 - 7, 13 - 14, 5 - 7, 41 - 43, and 3 - 4 days, respectively. The duration of egg to adult development ranged from 68 to 75 days....
Muhammad Mohsin Ahsan1, Hafiz Muhammad Tahir2*, Muhammad Khalid Mukhtar1, Arshad Ali3, Zafar Iqbal Kahan4, Kafeel Ahmed4
Intra- and inter-specific foraging in three scorpion species
...nd consumed all types of prey scorpions of its own species, except the dead ones. In inter-specific feeding experiment, M. tumulus consumed healthy adults, injured adults, pregnant females and dead adults of O. odonturus. However, M. tumulus did not consume any live A. finitimus but consumed its dead. Androctonus finitimus consumed all types of O. odonturus and M. tumulus but did not feed on the dead ones. Results of feeding behaviour of A. finitimus and M. t...
Muhammad Mohsin Ahsan1, Hafiz Muhammad Tahir2, Muhammad Khalid Mukhtar1
Effect of lunar cycle on active population density of scorpions, their potential prey and predators
...mus, and their potential prey and predators were observed in the
field. The result showed that H. tamulus and A. finitimus were more active during dark nights compared to moonlight
nights; however, there was no obvious effect of the lunar cycle on the activity of O. odonturus. Young (Immature)
individuals of all scorpion species were always high in numbers at night, even under moonlight conditions. The
activity of scorpion
field. The result showed that H. tamulus and A. finitimus were more active during dark nights compared to moonlight
nights; however, there was no obvious effect of the lunar cycle on the activity of O. odonturus. Young (Immature)
individuals of all scorpion species were always high in numbers at night, even under moonlight conditions. The
activity of scorpion
Mujahid Niaz Akhtar* and Amjad Farooq
...ata, Lynx spider and preys Helicoverpa armigera, Pectinophora gossypiella, Earias vitella populations found on cultivated cotton crops (government approved varieties) in Southern Punjab, Pakistan. Data was collected after ten days of interval during crop season from 2014 to 2016 randomly. Significant Correlations coefficients were observed which can be used for effective pest control program to predict predator
Rahat Afza, Muhammad Afzal, Muhammad Zeeshan Majeed and Muhammad Asam Riaz*
... presence and absence of prey and the impact of sublethal concentrations of insecticides on intra-guild predation (IGP) and aphid consumption by coccinellids. Data revealed that in the absence of prey larvae of C. septempunctata exhibited more predation on C. transversalis while the predation of C. septempunctata on C. transversalis was relatively less in the presence of p...
Shafique Ahmed Memon1,6, Arif Ali1*, Mehar-un-Nisa Narejo2, Ghulam Khaliq3, Imran Ali Rajput4, Muhammad Adeel1, Khalil Ahmed Memon5, Dzolkhifli Omar6, Muhammad Rashid7 and Abdul Rasool5
...as predators have a wide prey range, but not all preys are equally suitable for a single lacewing. Studies were carried out to evaluate the suitability of three aphid species on the pre-imaginal development of three species of green lacewings. Developmental stages of three different species of green lacewings, Chrysoperla nipponensis, Plesiochrysa ramburi and Apertochrysa sp. were provided with three different
Bushra Siddique1,*, Muhammad Tariq1, Muhammad Naeem1 and Muhammad Ali2
... of associations between prey and host plant species. Recent studies exhibited that the use of natural enemy is an ecofriendly measure to control pests. The Seven spotted ladybird beetle, Coccinella septempunctata play a prominent role in aphid management. It exploits several different cues released by plants to increase the efficiency of foraging. Aphid endoparasitoid, Diaeretiella rapae (McIntosh) (Hymenoptera: Braconidae) have an ability to lo...
Faraz Akrim1,2, Tariq Mahmood1,*, Muhammad Sajid Nadeem3, Siddiqa Qasim1, Shaista Andleeb1 and Hira Fatima1
...mongoose consisted of 16 prey species (15 wild and one domestic), and six plant species. The consumption of wild prey was 60%, while domestic prey contributed 19%, plants 14%, grits 2%, and anthropogenic matter (plastic bags, and threads) 5%. In comparison, 17 dietary items were recorded in the diet of small Indian mongoose, including 10 wild, 1 (one) domestic and 6 plant species. Consumpt...
Wen-Feng Li1, Rong-Yue Zhang1, Chun-Hua Pu2, Jiong Yin1, Zhi-Ming Luo1, Xiao-Yan Wang1, Xiao-Yan Cang1, Hong-Li Shan1 and Ying-Kun Huang1,*
...Thiallela sp., which prey on Ceratovacuna lanigera Zehntner; and Euborellia pallipes Shiraki, Orius (Heterorius) minutus (Linnaeus) and Scymnus (Neopullus) hoffmanni Weise which preys on Saccharicoccus sacchari (Cocherell), Baliothrips serratus Kobusand Trochorhopalus humeralis Chevrolat. Protecting these natural enemies will encourage natural c...
Muhammad Raza Khan1, Tariq Mahmood1,*, Hira Fatima1, Faraz Akrim2, Shaista Andleeb1 and Abdul Hamid1
...ed 5 domestic and 8 wild prey species in its diet menu, with major share (53 %) from livestock and relatively less (46%) from wild prey. The grey wolf has emerged as one of the major predator in the study area consuming mainly donkey, horse, cow, sheep and goats, resulting in a negative perception among the locals. Most of the depredation occurs at night time while maximum livestock are depredated during winter season. ...
Qudsia Yousafi1*, Muhammad Aslam2 andShahzad Saleem1
...tion is expected between prey (aphid) and predator (ladybeetle). However, it’s strength and consistency needs to be further investigated by repeating the study for more seasons and at more locations to clearly see the trend of the two populations.
...
Mubasshir Sohail1,2,*, Raza Muhammad1 and Qadeer Ahmed Soomro1
...e influence of different prey types has been studied to strengthen the C. carnea. Current in-vitro study was made to figure out the effects of different prey on mortality and certain biological characteristics of C. carnea. The highest mortality rate (66.43±2.13%) was for larvae, which fed upon Oleander aphid, Aphis nerii. Less larval mortality (7.86±2.37%), larval period (164.57&plu...
Sameera Arshad1*, Arshad Mahmood Malik2 and Iftikhar Hussain3
...62±2.11. Birds of prey mainly, Pariah Kites (Milvas migrans) were reported to be involved in 72% of the strikes. Seasonal variation in bird strikes revealed that most of the bird strikes occurred during the period (July-October), then in (March-June) and least during the winter period (November-February).Relationship between meteorological and bird strike data suggested that there was a significant positive correlation between bird strikes and maximum t...
Mounir R. Abi-Said1, Mohammad Al Zein2, Mohammad A. Abu Baker3 and Zuhair S. Amr3,4*
...s yielded 203 individual prey items representing at least eleven rodent species, unidentified bird(s), at least one scorpion, and other unidentified insects. Prey items were dominated by rodents (91%) which were found in 96.4% of the pellets. Birds, scorpions, and other insects constituted 2.46, 5.91, and 2.96% of the diet, respectively. Rodents contributed the most in terms of biomass, with the black rat, Rattus rattus
Feng Xu1,2,3*, Weikang Yang1,2,3*, Ming Ma1,2,3 and David A. Blank4
... factors, body size of a prey and a predator, season, traits of species and numbers of others factors were thought to have significant impacts on vigilance. Here, in this study we considered only three of them: group size, disturbance, and predation vulnerability and their impact on the vigilance of the Demoiselle crane (Antropoides virgo). Our results showed that group size, human disturbance, and predation vulnerability significantly affect Demoiselle...
Muhammad Bilal Anwar1, Mirza Azhar Beg1, Amjad Rashid Kayani1, Muhammad Sajid Nadeem1*, Syed Israr Shah1, Sajida Noureen2,
Muhammad Mushtaq1 and Tariq Mahmood3
...n collared owlet’s prey resources. Insects of four orders dominated in the diet of collared owlet (50 %) and spotted owlet (56.62 %) whereas the major portion of the food of eurasian eagle owl was obtained from mammals (75.93 %) in numerical terms. Among mammals, house mouse Mus musculus, Asian house shrew Suncus murinus, short-tailed bandicoot rat Nesokia indica and Indian gerbil Tatera indica were the prominent food sources....
Sehrish Khudadad1, Muhammad Ather Rafi2, Ahmed Zia3, Mian Sayed Khan4, Gulnaz Parveen5, Muhammad Kamal Sheikh6*, Falak Naz7, Muhammad Qasim8 and Syed Waqar Shah9
...engers. Ants can be both prey and predators for the crops and various insects. They also spread human diseases. Ant fauna is poorly known in Pakistan. As Pakistan occupies an important biogeographic position and the taxonomic studies on ants of Pakistan are badly needed. During this study ant specimens were collected from different localities of district Mansehra. Total 28 species were identified under 16 genera of three sub-families, namely Camponotinae, Myrm...
Fei Kong1,2, Qingjun Zhu1, Fanrong Xiao1, Jacob Mueti Ngwawa1, Hongxing Zhang2 and Haitao Shi1*
...ivorous and comprised 23 prey taxa classified into nine groups: plant (4), fish (1), frog (1), earthworm (1), insect (9), mollusk (3), shrimp (2), and other miscellaneous items....
Nausheen Irshad1, Maria Akhter1, Tariq Mahmood2*, Faraz Akrim3, Muhammad Rafique Khan1 and Muhammad Sajid Nadeem4
...nd identification of its prey species. Analysis of scats revealed its diet comprising of both vertebrates and invertebrates along with some proportion of vegetation. The weasel most frequently consumed arthropods (26%), followed by mammals (21%), birds (9 %) and least reptiles (2 %), along with consuming vegetation (23 %). The prey species in the overall diet of the species were five different orders of arthropods, two speci...
Tariq Mahmood1*, Shakeela Ismail1, Faraz Akrim2, Muhammad Farooq1, Nadeem Munawar1 and Muhammad Raza Khan1
...uch as scats, pug marks, prey remains, hairs), while diet composition was investigated by using noninvasive technique of scat analysis. Results showed grey wolf being distributed at an elevation range of 3921 m to 4282 m above sea level (asl) in the park. Scat analysis showed 7 wild and 6 domestic prey species in its diet, with approximately 47 % contribution from livestock and 53 % from wild prey
Shahbaz Ahmed1, Mubeen Ahmad1, Muhammad Razaq1* and Farhan Mahmood Shah1,2*
...d abundance and predator-prey ratio. Altered plant physiology and a weaken plant defense under irrigation stress attracted feeding by more aphids which resultantly reduced chlorophyll amount. The abundant prey attracted more predation in the stressed wheat. The aphids and predator’s preference change under irrigation stress are clear in our findings. We also discuss tri-trophic effects and implications of current study...
Hamenya Mpemba1, Fan Yang1, Kirsty J. MacLeod2,3, Dusu Wen1, Yan Liu1,4 and Guangshun Jiang1,*
... affect the behaviour of prey species via lethal (direct kill) or non-lethal effects (i.e., through predation risk). For example, prey species may move from areas perceived as risky to safer spaces where predation risk is lower, which can have important consequences for investment in foraging, movement, and mating, and for the behaviour and habitat use of other species, such as mesopredators. These changes in
Yasir Hameed, Muhammad Rizwan, Muhammad Shahzaib, Muhammad Sarmad, Muhammad Farrukh Hamid, Syed Muhammad Zaka*, Khalid Abbas and Muhammad Zakria
...time of 24h at different prey densities (10, 20, 30, 40, and 50). Functional response of three larval instars was calculated using a logistic regression model, where handling time (Th) and attack rate (a) that calculated by using Roger random predator equation. The results revealed that all the predatory stages show a type II functional response and consumption rate increased with the increase in prey density for the first, ...
Yasir Hameed, Muhammad Rizwan, Muhammad Shahzaib, Muhammad Sarmad, Muhammad Farrukh Hamid, Syed Muhammad Zaka*, Khalid Abbas and Muhammad Zakria
...time of 24h at different prey densities (10, 20, 30, 40, and 50). Functional response of three larval instars was calculated using a logistic regression model, where handling time (Th) and attack rate (a) that calculated by using Roger random predator equation. The results revealed that all the predatory stages show a type II functional response and consumption rate increased with the increase in prey density for the first, ...
Yasir Hameed, Muhammad Rizwan, Muhammad Shahzaib, Muhammad Sarmad, Muhammad Farrukh Hamid, Syed Muhammad Zaka*, Khalid Abbas and Muhammad Zakria
...time of 24h at different prey densities (10, 20, 30, 40, and 50). Functional response of three larval instars was calculated using a logistic regression model, where handling time (Th) and attack rate (a) that calculated by using Roger random predator equation. The results revealed that all the predatory stages show a type II functional response and consumption rate increased with the increase in prey density for the first, ...
V. Sunitha*, V. Vasudeva Rao, V. Ravinder Reddy, P. Venkateshwarlu, A.V.L.N. Ramalingeswar Rao and B. Naresh
...lated to availability of prey in the study area. The occurrences of insects were dominant during the month of April to September and from October to March the rodents were predominant. The overall analysis showed that the spotted owlet diet consists of predominantly insects followed by rodents, reptiles, amphibians (Opportunistic) and played significant role in reducing the various crop pests in the study range....
Quang Minh Dinh1*, Tran Thi Huyen Lam2,3, Y Thi Nha Nguyen4, Thanh Minh Nguyen1 and Tien Thi Kieu Nguyen5
...the highest frequency of prey is shrimp while the lowest one is Polychaeta. The gender and fish size do not affect this species’ dietary constituent; however, the changes in seasons and sampling sites impact on the diet composition of these species. The shrimps, small fish, and detritus contribute to regulating the food composition of Butis koilomatodon between two seasons and among the six sampling sites. In combination with the modified Costello graphi...
Ahmad-Ur-Rahman Saljoqi1, Imtiaz Khan1*, Ijaz Ahmad1, Javed Khan2, Shahid Sattar1, Bashir Ahmad Khan1 and Muhammad Salim1
...tes that with increasing prey densities, the number of aphids consumed linearly increase and then become static after attain the asymptote level at certain densities were 25, 35 and 70 aphids per first, second and third instar larvae. The life table’s immature stage survival and female fecundity rate revealed that the stage of eggs had the greatest death rate, at 12%, followed by pre pupal stage. The lowest mortality was observed in 2nd instar stage. Sx ...
J. Ma1, F.B. Zhang1,2, J. Li1, Z.Y. Lv1, C. Zhang1, L. Mao1 and Y. Zeng1*
...ce for S. dabryi. Animal prey contributed relatively low proportions to the food of S. dabryi. Seasonal variations of food composition of S. dabryi were significant (P<0.05). Hierarchical cluster analysis shows that the food composition in autumn was significantly different from other seasons at a similarity level of 60%. The results indicated that the feeding rhythm of the S. dairyi in the lower reaches of the Jialing River showed significant seasonal chan...
Romaan Hayat Khattak1, Liwei Teng1,2*, Naimat Ullah Khan3, Aamir Ali3, Abdul Hadi4 and Zhensheng Liu1,2*
...uming a broader array of prey items than do larger predators. Meso-carnivores can play the role of apex predator by inhibiting competitors and controlling prey populations especially in systems where large-bodied primary consumers are limited. This note presents the first photographic evidence of yellow-throated marten from Nizampur National Park (NNP), Nowshera district Khyber Pkahtunkhwa (KP) Pakistan. The presence of this...
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